Vulnerability-Lookup

CVE-2021-40456 (GCVE-0-2021-40456)

Vulnerability from cvelistv5 – Published: 2021-10-13 00:26 – Updated: 2024-08-04 02:44

Title

Windows AD FS Security Feature Bypass Vulnerability

Summary

Windows AD FS Security Feature Bypass Vulnerability

Severity

5.3 (Medium)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C

SSVC

Exploitation: none Automatable: yes Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2024-07-18 20:28 UTC

CWE

Security Feature Bypass
CWE-863 - Incorrect Authorization

Assigner

microsoft mitre root Scorecard

References

1 reference

URL	Tags
https://portal.msrc.microsoft.com/en-US/security-…	x_refsource_MISC

Impacted products

5 products

Vendor	Product	Version
Microsoft	Windows Server 2019	Affected: 10.0.0 , < 10.0.17763.2237 (custom) cpe:2.3:o:microsoft:windows_server_2019:10.0.17763.2237:::::::*
Microsoft	Windows Server 2019 (Server Core installation)	Affected: 10.0.0 , < 10.0.17763.2237 (custom) cpe:2.3:o:microsoft:windows_server_2019:10.0.17763.2237:::::::*
Microsoft	Windows Server 2022	Affected: 10.0.0 , < 10.0.20348.288 (custom) cpe:2.3:o:microsoft:windows_server_2022:10.0.20348.288:::::::*
Microsoft	Windows Server version 2004	Affected: 10.0.0 , < 10.0.19041.1288 (custom) cpe:2.3:o:microsoft:windows_server_2004:10.0.19041.1288:::::::*
Microsoft	Windows Server version 20H2	Affected: 10.0.0 , < 10.0.19042.1288 (custom) cpe:2.3:o:microsoft:windows_server_20H2:10.0.19042.1288:::::::*

Date Public

2021-10-12 07:00

Show details on NVD website

JSON

To clipboard

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BDU:2021-05024 (CVE-2021-40456)

Vulnerability from fstec – Published: 2021-10-15 – Updated: 2021-10-15 – View on bdu.fstec.ru Fixed

Title

Уязвимость службы Active Directory Federation Services (AD FS) операционной системы Windows, позволяющая нарушителю обойти механизм защиты

Summary

Уязвимость службы Active Directory Federation Services (AD FS) операционной системы Windows связана с ошибками в настройках безопасности. Эксплуатация уязвимости может позволить нарушителю, действующему удаленно, обойти механизм защиты

Severity

5.0 (Medium) CVSS 2.0


                      
                        AV:N/AC:L/Au:N/C:P/I:N/A:N

5.3 (Medium) CVSS 3.0


                      
                        CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Class

Code vulnerability

Status

Confirmed by the vendor

Exploitation

Authorization bypass

Incidents

Being clarified

Remediation

Software update

CWE

CWE-254 - Элементы безопасности

Aliases

CVE-2021-40456

References

2 references

URL
http://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-40456
https://www.cybersecurity-help.cz/vdb/SB2021101253

Impacted products

6 products from 1 vendor

Vendors

Microsoft Corp

Products

Windows Server 2019, Windows Server 2019 (Server Core installation), Windows Server 2004 (Server Core Installation), Windows Server 20H2 (Server Core Installation), Windows Server 2022, Windows Server 2022 (Server Core installation)

Versions

- (Windows Server 2019), - (Windows Server 2019 (Server Core installation)), - (Windows Server 2004 (Server Core Installation)), - (Windows Server 20H2 (Server Core Installation)), - (Windows Server 2022), - (Windows Server 2022 (Server Core installation))

Product types

Operating system

Platforms

Microsoft Corp Windows Server 2019 -, Microsoft Corp Windows Server 2019 (Server Core installation) -, Microsoft Corp Windows Server 2004 (Server Core Installation) -, Microsoft Corp Windows Server 20H2 (Server Core Installation) -, Microsoft Corp Windows Server 2022 -, Microsoft Corp Windows Server 2022 (Server Core installation) -

Mitigations

Обновление программного обеспечения до актуальной версии

JSON

To clipboard

{
  "CVSS 2.0": "AV:N/AC:L/Au:N/C:P/I:N/A:N",
  "CVSS 3.0": "AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
  "CVSS 4.0": null,
  "remediation_\u0418\u0434\u0435\u043d\u0442\u0438\u0444\u0438\u043a\u0430\u0442\u043e\u0440": null,
  "remediation_\u041d\u0430\u0438\u043c\u0435\u043d\u043e\u0432\u0430\u043d\u0438\u0435": null,
  "\u0412\u0435\u043d\u0434\u043e\u0440 \u041f\u041e": "Microsoft Corp",
  "\u0412\u0435\u0440\u0441\u0438\u044f \u041f\u041e": "- (Windows Server 2019), - (Windows Server 2019 (Server Core installation)), - (Windows Server 2004 (Server Core Installation)), - (Windows Server 20H2 (Server Core Installation)), - (Windows Server 2022), - (Windows Server 2022 (Server Core installation))",
  "\u0412\u043e\u0437\u043c\u043e\u0436\u043d\u044b\u0435 \u043c\u0435\u0440\u044b \u043f\u043e \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u0438\u044e": "\u041e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u0435 \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u043d\u043e\u0433\u043e \u043e\u0431\u0435\u0441\u043f\u0435\u0447\u0435\u043d\u0438\u044f \u0434\u043e \u0430\u043a\u0442\u0443\u0430\u043b\u044c\u043d\u043e\u0439 \u0432\u0435\u0440\u0441\u0438\u0438",
  "\u0414\u0430\u0442\u0430 \u0432\u044b\u044f\u0432\u043b\u0435\u043d\u0438\u044f": "12.10.2021",
  "\u0414\u0430\u0442\u0430 \u043f\u043e\u0441\u043b\u0435\u0434\u043d\u0435\u0433\u043e \u043e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u044f": "15.10.2021",
  "\u0414\u0430\u0442\u0430 \u043f\u0443\u0431\u043b\u0438\u043a\u0430\u0446\u0438\u0438": "15.10.2021",
  "\u0418\u0434\u0435\u043d\u0442\u0438\u0444\u0438\u043a\u0430\u0442\u043e\u0440": "BDU:2021-05024",
  "\u0418\u0434\u0435\u043d\u0442\u0438\u0444\u0438\u043a\u0430\u0442\u043e\u0440\u044b \u0434\u0440\u0443\u0433\u0438\u0445 \u0441\u0438\u0441\u0442\u0435\u043c \u043e\u043f\u0438\u0441\u0430\u043d\u0438\u0439 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438": "CVE-2021-40456",
  "\u0418\u043d\u0444\u043e\u0440\u043c\u0430\u0446\u0438\u044f \u043e\u0431 \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u0438\u0438": "\u0423\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u0430",
  "\u041a\u043b\u0430\u0441\u0441 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438": "\u0423\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c \u043a\u043e\u0434\u0430",
  "\u041d\u0430\u0437\u0432\u0430\u043d\u0438\u0435 \u041f\u041e": "Windows Server 2019, Windows Server 2019 (Server Core installation), Windows Server 2004 (Server Core Installation), Windows Server 20H2 (Server Core Installation), Windows Server 2022, Windows Server 2022 (Server Core installation)",
  "\u041d\u0430\u0438\u043c\u0435\u043d\u043e\u0432\u0430\u043d\u0438\u0435 \u041e\u0421 \u0438 \u0442\u0438\u043f \u0430\u043f\u043f\u0430\u0440\u0430\u0442\u043d\u043e\u0439 \u043f\u043b\u0430\u0442\u0444\u043e\u0440\u043c\u044b": "Microsoft Corp Windows Server 2019 - , Microsoft Corp Windows Server 2019 (Server Core installation) - , Microsoft Corp Windows Server 2004 (Server Core Installation) - , Microsoft Corp Windows Server 20H2 (Server Core Installation) - , Microsoft Corp Windows Server 2022 - , Microsoft Corp Windows Server 2022 (Server Core installation) - ",
  "\u041d\u0430\u0438\u043c\u0435\u043d\u043e\u0432\u0430\u043d\u0438\u0435 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438": "\u0423\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c \u0441\u043b\u0443\u0436\u0431\u044b Active Directory Federation Services (AD FS) \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u043e\u043d\u043d\u043e\u0439 \u0441\u0438\u0441\u0442\u0435\u043c\u044b Windows, \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0449\u0430\u044f \u043d\u0430\u0440\u0443\u0448\u0438\u0442\u0435\u043b\u044e \u043e\u0431\u043e\u0439\u0442\u0438 \u043c\u0435\u0445\u0430\u043d\u0438\u0437\u043c \u0437\u0430\u0449\u0438\u0442\u044b",
  "\u041d\u0430\u043b\u0438\u0447\u0438\u0435 \u044d\u043a\u0441\u043f\u043b\u043e\u0439\u0442\u0430": "\u0414\u0430\u043d\u043d\u044b\u0435 \u0443\u0442\u043e\u0447\u043d\u044f\u044e\u0442\u0441\u044f",
  "\u041e\u043f\u0438\u0441\u0430\u043d\u0438\u0435 \u043e\u0448\u0438\u0431\u043a\u0438 CWE": "\u042d\u043b\u0435\u043c\u0435\u043d\u0442\u044b \u0431\u0435\u0437\u043e\u043f\u0430\u0441\u043d\u043e\u0441\u0442\u0438 (CWE-254)",
  "\u041e\u043f\u0438\u0441\u0430\u043d\u0438\u0435 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438": "\u0423\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c \u0441\u043b\u0443\u0436\u0431\u044b Active Directory Federation Services (AD FS) \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u043e\u043d\u043d\u043e\u0439 \u0441\u0438\u0441\u0442\u0435\u043c\u044b Windows \u0441\u0432\u044f\u0437\u0430\u043d\u0430 \u0441 \u043e\u0448\u0438\u0431\u043a\u0430\u043c\u0438 \u0432 \u043d\u0430\u0441\u0442\u0440\u043e\u0439\u043a\u0430\u0445 \u0431\u0435\u0437\u043e\u043f\u0430\u0441\u043d\u043e\u0441\u0442\u0438. \u042d\u043a\u0441\u043f\u043b\u0443\u0430\u0442\u0430\u0446\u0438\u044f \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438 \u043c\u043e\u0436\u0435\u0442 \u043f\u043e\u0437\u0432\u043e\u043b\u0438\u0442\u044c \u043d\u0430\u0440\u0443\u0448\u0438\u0442\u0435\u043b\u044e, \u0434\u0435\u0439\u0441\u0442\u0432\u0443\u044e\u0449\u0435\u043c\u0443 \u0443\u0434\u0430\u043b\u0435\u043d\u043d\u043e, \u043e\u0431\u043e\u0439\u0442\u0438 \u043c\u0435\u0445\u0430\u043d\u0438\u0437\u043c \u0437\u0430\u0449\u0438\u0442\u044b",
  "\u041f\u043e\u0441\u043b\u0435\u0434\u0441\u0442\u0432\u0438\u044f \u044d\u043a\u0441\u043f\u043b\u0443\u0430\u0442\u0430\u0446\u0438\u0438 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438": null,
  "\u041f\u0440\u043e\u0447\u0430\u044f \u0438\u043d\u0444\u043e\u0440\u043c\u0430\u0446\u0438\u044f": null,
  "\u0421\u0432\u044f\u0437\u044c \u0441 \u0438\u043d\u0446\u0438\u0434\u0435\u043d\u0442\u0430\u043c\u0438 \u0418\u0411": "\u0414\u0430\u043d\u043d\u044b\u0435 \u0443\u0442\u043e\u0447\u043d\u044f\u044e\u0442\u0441\u044f",
  "\u0421\u043e\u0441\u0442\u043e\u044f\u043d\u0438\u0435 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438": "\u041e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d\u0430",
  "\u0421\u043f\u043e\u0441\u043e\u0431 \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u0438\u044f": "\u041e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u0435 \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u043d\u043e\u0433\u043e \u043e\u0431\u0435\u0441\u043f\u0435\u0447\u0435\u043d\u0438\u044f",
  "\u0421\u043f\u043e\u0441\u043e\u0431 \u044d\u043a\u0441\u043f\u043b\u0443\u0430\u0442\u0430\u0446\u0438\u0438": "\u041d\u0430\u0440\u0443\u0448\u0435\u043d\u0438\u0435 \u0430\u0432\u0442\u043e\u0440\u0438\u0437\u0430\u0446\u0438\u0438",
  "\u0421\u0441\u044b\u043b\u043a\u0438 \u043d\u0430 \u0438\u0441\u0442\u043e\u0447\u043d\u0438\u043a\u0438": "http://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-40456\n\nhttps://www.cybersecurity-help.cz/vdb/SB2021101253",
  "\u0421\u0442\u0430\u0442\u0443\u0441 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438": "\u041f\u043e\u0434\u0442\u0432\u0435\u0440\u0436\u0434\u0435\u043d\u0430 \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u0442\u0435\u043b\u0435\u043c",
  "\u0422\u0438\u043f \u041f\u041e": "\u041e\u043f\u0435\u0440\u0430\u0446\u0438\u043e\u043d\u043d\u0430\u044f \u0441\u0438\u0441\u0442\u0435\u043c\u0430",
  "\u0422\u0438\u043f \u043e\u0448\u0438\u0431\u043a\u0438 CWE": "CWE-254",
  "\u0423\u0440\u043e\u0432\u0435\u043d\u044c \u043e\u043f\u0430\u0441\u043d\u043e\u0441\u0442\u0438 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438": "\u0421\u0440\u0435\u0434\u043d\u0438\u0439 \u0443\u0440\u043e\u0432\u0435\u043d\u044c \u043e\u043f\u0430\u0441\u043d\u043e\u0441\u0442\u0438 (\u0431\u0430\u0437\u043e\u0432\u0430\u044f \u043e\u0446\u0435\u043d\u043a\u0430 CVSS 2.0 \u0441\u043e\u0441\u0442\u0430\u0432\u043b\u044f\u0435\u0442 5)\n\u0421\u0440\u0435\u0434\u043d\u0438\u0439 \u0443\u0440\u043e\u0432\u0435\u043d\u044c \u043e\u043f\u0430\u0441\u043d\u043e\u0441\u0442\u0438 (\u0431\u0430\u0437\u043e\u0432\u0430\u044f \u043e\u0446\u0435\u043d\u043a\u0430 CVSS 3.0 \u0441\u043e\u0441\u0442\u0430\u0432\u043b\u044f\u0435\u0442 5,3)"
}

CERTFR-2021-AVI-782

Vulnerability from certfr_avis - Published: 2021-10-13 - Updated: 2021-10-13

De multiples vulnérabilités ont été corrigées dans Microsoft Windows. Elles permettent à un attaquant de provoquer un contournement de la fonctionnalité de sécurité, une atteinte à la confidentialité des données, un déni de service, une élévation de privilèges, une exécution de code à distance et une usurpation d'identité.

Solution

Se référer au bulletin de sécurité de l'éditeur pour l'obtention des correctifs (cf. section Documentation).

None

Impacted products

Vendor	Product	Description
Microsoft	Windows	Windows Server 2022
Microsoft	Windows	Windows Server 2012
Microsoft	Windows	Windows 10 Version 2004 pour systèmes 32 bits
Microsoft	Windows	Windows 10 pour systèmes x64
Microsoft	Windows	Windows 10 Version 1909 pour ARM64-based Systems
Microsoft	Windows	Windows 10 Version 1809 pour systèmes x64
Microsoft	Windows	Windows 10 Version 1909 pour systèmes x64
Microsoft	Windows	Windows Server 2019 (Server Core installation)
Microsoft	Windows	Windows Server, version 2004 (Server Core installation)
Microsoft	Windows	Windows Server 2019
Microsoft	Windows	Windows Server 2012 R2
Microsoft	Windows	Windows Server 2022 (Server Core installation)
Microsoft	Windows	Windows 10 Version 1607 pour systèmes 32 bits
Microsoft	Windows	Windows Server 2008 pour systèmes x64 Service Pack 2
Microsoft	Windows	Windows 10 Version 1809 pour systèmes 32 bits
Microsoft	Windows	Windows 10 Version 20H2 pour systèmes x64
Microsoft	Windows	Windows 10 Version 21H1 pour systèmes 32 bits
Microsoft	Windows	Windows 10 Version 21H1 pour ARM64-based Systems
Microsoft	Windows	Windows Server 2016 (Server Core installation)
Microsoft	Windows	Windows RT 8.1
Microsoft	Windows	Windows 10 Version 21H1 pour systèmes x64
Microsoft	Windows	Windows 7 pour systèmes x64 Service Pack 1
Microsoft	Windows	Windows 10 Version 1809 pour ARM64-based Systems
Microsoft	Windows	Windows Server 2008 pour systèmes x64 Service Pack 2 (Server Core installation)
Microsoft	Windows	Windows 10 Version 2004 pour ARM64-based Systems
Microsoft	Windows	Windows 10 Version 1909 pour systèmes 32 bits
Microsoft	Windows	Windows 10 Version 20H2 pour systèmes 32 bits
Microsoft	Windows	Windows Server 2008 pour systèmes 32 bits Service Pack 2 (Server Core installation)
Microsoft	Windows	Windows 10 Version 1607 pour systèmes x64
Microsoft	Windows	Windows Server 2012 (Server Core installation)
Microsoft	Windows	Windows Server 2008 pour systèmes 32 bits Service Pack 2
Microsoft	Windows	Windows Server 2008 R2 pour systèmes x64 Service Pack 1
Microsoft	Windows	Windows 11 pour ARM64-based Systems
Microsoft	Windows	Windows 10 Version 2004 pour systèmes x64
Microsoft	Windows	Windows 11 pour systèmes x64
Microsoft	Windows	Windows 8.1 pour systèmes x64
Microsoft	Windows	Windows Server 2016
Microsoft	Windows	Windows 8.1 pour systèmes 32 bits
Microsoft	Windows	Windows Server, version 20H2 (Server Core Installation)
Microsoft	Windows	Windows Server 2008 R2 pour systèmes x64 Service Pack 1 (Server Core installation)
Microsoft	Windows	Windows 10 Version 20H2 pour ARM64-based Systems
Microsoft	Windows	Windows Server 2012 R2 (Server Core installation)
Microsoft	Windows	Windows 10 pour systèmes 32 bits
Microsoft	Windows	Windows 7 pour systèmes 32 bits Service Pack 1

References

Title

Publication Time

Tags

Bulletin de sécurité Microsoft du 12 octobre 2021

None

vendor-advisory

Show details on source website

JSON

To clipboard

{
  "$ref": "https://www.cert.ssi.gouv.fr/openapi.json",
  "affected_systems": [
    {
      "description": "Windows Server 2022",
      "product": {
        "name": "Windows",
        "vendor": {
          "name": "Microsoft",
          "scada": false
        }
      }
    },
    {
      "description": "Windows Server 2012",
      "product": {
        "name": "Windows",
        "vendor": {
          "name": "Microsoft",
          "scada": false
        }
      }
    },
    {
      "description": "Windows 10 Version 2004 pour syst\u00e8mes 32 bits",
      "product": {
        "name": "Windows",
        "vendor": {
          "name": "Microsoft",
          "scada": false
        }
      }
    },
    {
      "description": "Windows 10 pour syst\u00e8mes x64",
      "product": {
        "name": "Windows",
        "vendor": {
          "name": "Microsoft",
          "scada": false
        }
      }
    },
    {
      "description": "Windows 10 Version 1909 pour ARM64-based Systems",
      "product": {
        "name": "Windows",
        "vendor": {
          "name": "Microsoft",
          "scada": false
        }
      }
    },
    {
      "description": "Windows 10 Version 1809 pour syst\u00e8mes x64",
      "product": {
        "name": "Windows",
        "vendor": {
          "name": "Microsoft",
          "scada": false
        }
      }
    },
    {
      "description": "Windows 10 Version 1909 pour syst\u00e8mes x64",
      "product": {
        "name": "Windows",
        "vendor": {
          "name": "Microsoft",
          "scada": false
        }
      }
    },
    {
      "description": "Windows Server 2019 (Server Core installation)",
      "product": {
        "name": "Windows",
        "vendor": {
          "name": "Microsoft",
          "scada": false
        }
      }
    },
    {
      "description": "Windows Server, version 2004 (Server Core installation)",
      "product": {
        "name": "Windows",
        "vendor": {
          "name": "Microsoft",
          "scada": false
        }
      }
    },
    {
      "description": "Windows Server 2019",
      "product": {
        "name": "Windows",
        "vendor": {
          "name": "Microsoft",
          "scada": false
        }
      }
    },
    {
      "description": "Windows Server 2012 R2",
      "product": {
        "name": "Windows",
        "vendor": {
          "name": "Microsoft",
          "scada": false
        }
      }
    },
    {
      "description": "Windows Server 2022 (Server Core installation)",
      "product": {
        "name": "Windows",
        "vendor": {
          "name": "Microsoft",
          "scada": false
        }
      }
    },
    {
      "description": "Windows 10 Version 1607 pour syst\u00e8mes 32 bits",
      "product": {
        "name": "Windows",
        "vendor": {
          "name": "Microsoft",
          "scada": false
        }
      }
    },
    {
      "description": "Windows Server 2008 pour syst\u00e8mes x64 Service Pack 2",
      "product": {
        "name": "Windows",
        "vendor": {
          "name": "Microsoft",
          "scada": false
        }
      }
    },
    {
      "description": "Windows 10 Version 1809 pour syst\u00e8mes 32 bits",
      "product": {
        "name": "Windows",
        "vendor": {
          "name": "Microsoft",
          "scada": false
        }
      }
    },
    {
      "description": "Windows 10 Version 20H2 pour syst\u00e8mes x64",
      "product": {
        "name": "Windows",
        "vendor": {
          "name": "Microsoft",
          "scada": false
        }
      }
    },
    {
      "description": "Windows 10 Version 21H1 pour syst\u00e8mes 32 bits",
      "product": {
        "name": "Windows",
        "vendor": {
          "name": "Microsoft",
          "scada": false
        }
      }
    },
    {
      "description": "Windows 10 Version 21H1 pour ARM64-based Systems",
      "product": {
        "name": "Windows",
        "vendor": {
          "name": "Microsoft",
          "scada": false
        }
      }
    },
    {
      "description": "Windows Server 2016 (Server Core installation)",
      "product": {
        "name": "Windows",
        "vendor": {
          "name": "Microsoft",
          "scada": false
        }
      }
    },
    {
      "description": "Windows RT 8.1",
      "product": {
        "name": "Windows",
        "vendor": {
          "name": "Microsoft",
          "scada": false
        }
      }
    },
    {
      "description": "Windows 10 Version 21H1 pour syst\u00e8mes x64",
      "product": {
        "name": "Windows",
        "vendor": {
          "name": "Microsoft",
          "scada": false
        }
      }
    },
    {
      "description": "Windows 7 pour syst\u00e8mes x64 Service Pack 1",
      "product": {
        "name": "Windows",
        "vendor": {
          "name": "Microsoft",
          "scada": false
        }
      }
    },
    {
      "description": "Windows 10 Version 1809 pour ARM64-based Systems",
      "product": {
        "name": "Windows",
        "vendor": {
          "name": "Microsoft",
          "scada": false
        }
      }
    },
    {
      "description": "Windows Server 2008 pour syst\u00e8mes x64 Service Pack 2 (Server Core installation)",
      "product": {
        "name": "Windows",
        "vendor": {
          "name": "Microsoft",
          "scada": false
        }
      }
    },
    {
      "description": "Windows 10 Version 2004 pour ARM64-based Systems",
      "product": {
        "name": "Windows",
        "vendor": {
          "name": "Microsoft",
          "scada": false
        }
      }
    },
    {
      "description": "Windows 10 Version 1909 pour syst\u00e8mes 32 bits",
      "product": {
        "name": "Windows",
        "vendor": {
          "name": "Microsoft",
          "scada": false
        }
      }
    },
    {
      "description": "Windows 10 Version 20H2 pour syst\u00e8mes 32 bits",
      "product": {
        "name": "Windows",
        "vendor": {
          "name": "Microsoft",
          "scada": false
        }
      }
    },
    {
      "description": "Windows Server 2008 pour syst\u00e8mes 32 bits Service Pack 2 (Server Core installation)",
      "product": {
        "name": "Windows",
        "vendor": {
          "name": "Microsoft",
          "scada": false
        }
      }
    },
    {
      "description": "Windows 10 Version 1607 pour syst\u00e8mes x64",
      "product": {
        "name": "Windows",
        "vendor": {
          "name": "Microsoft",
          "scada": false
        }
      }
    },
    {
      "description": "Windows Server 2012 (Server Core installation)",
      "product": {
        "name": "Windows",
        "vendor": {
          "name": "Microsoft",
          "scada": false
        }
      }
    },
    {
      "description": "Windows Server 2008 pour syst\u00e8mes 32 bits Service Pack 2",
      "product": {
        "name": "Windows",
        "vendor": {
          "name": "Microsoft",
          "scada": false
        }
      }
    },
    {
      "description": "Windows Server 2008 R2 pour syst\u00e8mes x64 Service Pack 1",
      "product": {
        "name": "Windows",
        "vendor": {
          "name": "Microsoft",
          "scada": false
        }
      }
    },
    {
      "description": "Windows 11 pour ARM64-based Systems",
      "product": {
        "name": "Windows",
        "vendor": {
          "name": "Microsoft",
          "scada": false
        }
      }
    },
    {
      "description": "Windows 10 Version 2004 pour syst\u00e8mes x64",
      "product": {
        "name": "Windows",
        "vendor": {
          "name": "Microsoft",
          "scada": false
        }
      }
    },
    {
      "description": "Windows 11 pour syst\u00e8mes x64",
      "product": {
        "name": "Windows",
        "vendor": {
          "name": "Microsoft",
          "scada": false
        }
      }
    },
    {
      "description": "Windows 8.1 pour syst\u00e8mes x64",
      "product": {
        "name": "Windows",
        "vendor": {
          "name": "Microsoft",
          "scada": false
        }
      }
    },
    {
      "description": "Windows Server 2016",
      "product": {
        "name": "Windows",
        "vendor": {
          "name": "Microsoft",
          "scada": false
        }
      }
    },
    {
      "description": "Windows 8.1 pour syst\u00e8mes 32 bits",
      "product": {
        "name": "Windows",
        "vendor": {
          "name": "Microsoft",
          "scada": false
        }
      }
    },
    {
      "description": "Windows Server, version 20H2 (Server Core Installation)",
      "product": {
        "name": "Windows",
        "vendor": {
          "name": "Microsoft",
          "scada": false
        }
      }
    },
    {
      "description": "Windows Server 2008 R2 pour syst\u00e8mes x64 Service Pack 1 (Server Core installation)",
      "product": {
        "name": "Windows",
        "vendor": {
          "name": "Microsoft",
          "scada": false
        }
      }
    },
    {
      "description": "Windows 10 Version 20H2 pour ARM64-based Systems",
      "product": {
        "name": "Windows",
        "vendor": {
          "name": "Microsoft",
          "scada": false
        }
      }
    },
    {
      "description": "Windows Server 2012 R2 (Server Core installation)",
      "product": {
        "name": "Windows",
        "vendor": {
          "name": "Microsoft",
          "scada": false
        }
      }
    },
    {
      "description": "Windows 10 pour syst\u00e8mes 32 bits",
      "product": {
        "name": "Windows",
        "vendor": {
          "name": "Microsoft",
          "scada": false
        }
      }
    },
    {
      "description": "Windows 7 pour syst\u00e8mes 32 bits Service Pack 1",
      "product": {
        "name": "Windows",
        "vendor": {
          "name": "Microsoft",
          "scada": false
        }
      }
    }
  ],
  "affected_systems_content": null,
  "content": "## Solution\n\nSe r\u00e9f\u00e9rer au bulletin de s\u00e9curit\u00e9 de l\u0027\u00e9diteur pour l\u0027obtention des\ncorrectifs (cf. section Documentation).\n",
  "cves": [
    {
      "name": "CVE-2021-41332",
      "url": "https://www.cve.org/CVERecord?id=CVE-2021-41332"
    },
    {
      "name": "CVE-2021-41345",
      "url": "https://www.cve.org/CVERecord?id=CVE-2021-41345"
    },
    {
      "name": "CVE-2021-38672",
      "url": "https://www.cve.org/CVERecord?id=CVE-2021-38672"
    },
    {
      "name": "CVE-2021-40470",
      "url": "https://www.cve.org/CVERecord?id=CVE-2021-40470"
    },
    {
      "name": "CVE-2021-40450",
      "url": "https://www.cve.org/CVERecord?id=CVE-2021-40450"
    },
    {
      "name": "CVE-2021-26442",
      "url": "https://www.cve.org/CVERecord?id=CVE-2021-26442"
    },
    {
      "name": "CVE-2021-41334",
      "url": "https://www.cve.org/CVERecord?id=CVE-2021-41334"
    },
    {
      "name": "CVE-2021-40476",
      "url": "https://www.cve.org/CVERecord?id=CVE-2021-40476"
    },
    {
      "name": "CVE-2021-40478",
      "url": "https://www.cve.org/CVERecord?id=CVE-2021-40478"
    },
    {
      "name": "CVE-2021-40462",
      "url": "https://www.cve.org/CVERecord?id=CVE-2021-40462"
    },
    {
      "name": "CVE-2021-41336",
      "url": "https://www.cve.org/CVERecord?id=CVE-2021-41336"
    },
    {
      "name": "CVE-2021-36953",
      "url": "https://www.cve.org/CVERecord?id=CVE-2021-36953"
    },
    {
      "name": "CVE-2021-40455",
      "url": "https://www.cve.org/CVERecord?id=CVE-2021-40455"
    },
    {
      "name": "CVE-2021-40465",
      "url": "https://www.cve.org/CVERecord?id=CVE-2021-40465"
    },
    {
      "name": "CVE-2021-41343",
      "url": "https://www.cve.org/CVERecord?id=CVE-2021-41343"
    },
    {
      "name": "CVE-2021-40460",
      "url": "https://www.cve.org/CVERecord?id=CVE-2021-40460"
    },
    {
      "name": "CVE-2021-40467",
      "url": "https://www.cve.org/CVERecord?id=CVE-2021-40467"
    },
    {
      "name": "CVE-2021-40464",
      "url": "https://www.cve.org/CVERecord?id=CVE-2021-40464"
    },
    {
      "name": "CVE-2021-40449",
      "url": "https://www.cve.org/CVERecord?id=CVE-2021-40449"
    },
    {
      "name": "CVE-2021-40456",
      "url": "https://www.cve.org/CVERecord?id=CVE-2021-40456"
    },
    {
      "name": "CVE-2021-41331",
      "url": "https://www.cve.org/CVERecord?id=CVE-2021-41331"
    },
    {
      "name": "CVE-2021-36970",
      "url": "https://www.cve.org/CVERecord?id=CVE-2021-36970"
    },
    {
      "name": "CVE-2021-38663",
      "url": "https://www.cve.org/CVERecord?id=CVE-2021-38663"
    },
    {
      "name": "CVE-2021-40466",
      "url": "https://www.cve.org/CVERecord?id=CVE-2021-40466"
    },
    {
      "name": "CVE-2021-26441",
      "url": "https://www.cve.org/CVERecord?id=CVE-2021-26441"
    },
    {
      "name": "CVE-2021-41342",
      "url": "https://www.cve.org/CVERecord?id=CVE-2021-41342"
    },
    {
      "name": "CVE-2021-40454",
      "url": "https://www.cve.org/CVERecord?id=CVE-2021-40454"
    },
    {
      "name": "CVE-2021-41347",
      "url": "https://www.cve.org/CVERecord?id=CVE-2021-41347"
    },
    {
      "name": "CVE-2021-40468",
      "url": "https://www.cve.org/CVERecord?id=CVE-2021-40468"
    },
    {
      "name": "CVE-2021-40463",
      "url": "https://www.cve.org/CVERecord?id=CVE-2021-40463"
    },
    {
      "name": "CVE-2021-41330",
      "url": "https://www.cve.org/CVERecord?id=CVE-2021-41330"
    },
    {
      "name": "CVE-2021-40488",
      "url": "https://www.cve.org/CVERecord?id=CVE-2021-40488"
    },
    {
      "name": "CVE-2021-40475",
      "url": "https://www.cve.org/CVERecord?id=CVE-2021-40475"
    },
    {
      "name": "CVE-2021-41337",
      "url": "https://www.cve.org/CVERecord?id=CVE-2021-41337"
    },
    {
      "name": "CVE-2021-41357",
      "url": "https://www.cve.org/CVERecord?id=CVE-2021-41357"
    },
    {
      "name": "CVE-2021-38662",
      "url": "https://www.cve.org/CVERecord?id=CVE-2021-38662"
    },
    {
      "name": "CVE-2021-40469",
      "url": "https://www.cve.org/CVERecord?id=CVE-2021-40469"
    },
    {
      "name": "CVE-2021-41340",
      "url": "https://www.cve.org/CVERecord?id=CVE-2021-41340"
    },
    {
      "name": "CVE-2021-40461",
      "url": "https://www.cve.org/CVERecord?id=CVE-2021-40461"
    },
    {
      "name": "CVE-2021-41335",
      "url": "https://www.cve.org/CVERecord?id=CVE-2021-41335"
    },
    {
      "name": "CVE-2021-41339",
      "url": "https://www.cve.org/CVERecord?id=CVE-2021-41339"
    },
    {
      "name": "CVE-2021-40489",
      "url": "https://www.cve.org/CVERecord?id=CVE-2021-40489"
    },
    {
      "name": "CVE-2021-40443",
      "url": "https://www.cve.org/CVERecord?id=CVE-2021-40443"
    },
    {
      "name": "CVE-2021-41361",
      "url": "https://www.cve.org/CVERecord?id=CVE-2021-41361"
    },
    {
      "name": "CVE-2021-41338",
      "url": "https://www.cve.org/CVERecord?id=CVE-2021-41338"
    },
    {
      "name": "CVE-2021-41346",
      "url": "https://www.cve.org/CVERecord?id=CVE-2021-41346"
    },
    {
      "name": "CVE-2021-40477",
      "url": "https://www.cve.org/CVERecord?id=CVE-2021-40477"
    }
  ],
  "initial_release_date": "2021-10-13T00:00:00",
  "last_revision_date": "2021-10-13T00:00:00",
  "links": [],
  "reference": "CERTFR-2021-AVI-782",
  "revisions": [
    {
      "description": "Version initiale",
      "revision_date": "2021-10-13T00:00:00.000000"
    }
  ],
  "risks": [
    {
      "description": "Usurpation d\u0027identit\u00e9"
    },
    {
      "description": "Ex\u00e9cution de code arbitraire \u00e0 distance"
    },
    {
      "description": "D\u00e9ni de service"
    },
    {
      "description": "Contournement de la fonctionnalit\u00e9 de s\u00e9curit\u00e9"
    },
    {
      "description": "Atteinte \u00e0 la confidentialit\u00e9 des donn\u00e9es"
    },
    {
      "description": "\u00c9l\u00e9vation de privil\u00e8ges"
    }
  ],
  "summary": "De multiples vuln\u00e9rabilit\u00e9s ont \u00e9t\u00e9 corrig\u00e9es dans \u003cspan\nclass=\"textit\"\u003eMicrosoft Windows\u003c/span\u003e. Elles permettent \u00e0 un attaquant\nde provoquer un contournement de la fonctionnalit\u00e9 de s\u00e9curit\u00e9, une\natteinte \u00e0 la confidentialit\u00e9 des donn\u00e9es, un d\u00e9ni de service, une\n\u00e9l\u00e9vation de privil\u00e8ges, une ex\u00e9cution de code \u00e0 distance et une\nusurpation d\u0027identit\u00e9.\n",
  "title": "Multiples vuln\u00e9rabilit\u00e9s dans Microsoft Windows",
  "vendor_advisories": [
    {
      "published_at": null,
      "title": "Bulletin de s\u00e9curit\u00e9 Microsoft du 12 octobre 2021",
      "url": "https://msrc.microsoft.com/update-guide/"
    }
  ]
}

EUVD-2026-31220

European Vulnerability Database identifier assigned by ENISA

Reserved

2026-10-02 06:02

Assigner

ENISA

Alias of

a CVE record, shown under related vulnerabilities. This identifier carries no description, severity or references of its own: they belong to that CVE.

JSON

To clipboard

{
  "assigner": "ENISA",
  "date_reserved": "2026-10-02T06:02:38.427708+00:00",
  "id": "EUVD-2026-31220"
}

FKIE_CVE-2021-40456

Vulnerability from fkie_nvd - Published: 2021-10-13 01:15 - Updated: 2026-06-17 04:06

Severity

5.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Summary

Windows AD FS Security Feature Bypass Vulnerability

References

	URL	Tags
	secure@microsoft.com	https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-40456	Patch, Vendor Advisory
	af854a3a-2127-422b-91ae-364da2661108	https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-40456	Patch, Vendor Advisory

Impacted products

Vendor	Product	Version
microsoft	windows_server	20h2
microsoft	windows_server_2019	-
microsoft	windows_server_2022	*

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "cpes": [
            "cpe:2.3:o:microsoft:windows_server_2019:10.0.17763.2237:*:*:*:*:*:*:*"
          ],
          "platforms": [
            "x64-based Systems"
          ],
          "product": "Windows Server 2019",
          "vendor": "Microsoft",
          "versions": [
            {
              "lessThan": "10.0.17763.2237",
              "status": "affected",
              "version": "10.0.0",
              "versionType": "custom"
            }
          ]
        },
        {
          "cpes": [
            "cpe:2.3:o:microsoft:windows_server_2019:10.0.17763.2237:*:*:*:*:*:*:*"
          ],
          "platforms": [
            "x64-based Systems"
          ],
          "product": "Windows Server 2019 (Server Core installation)",
          "vendor": "Microsoft",
          "versions": [
            {
              "lessThan": "10.0.17763.2237",
              "status": "affected",
              "version": "10.0.0",
              "versionType": "custom"
            }
          ]
        },
        {
          "cpes": [
            "cpe:2.3:o:microsoft:windows_server_2022:10.0.20348.288:*:*:*:*:*:*:*"
          ],
          "platforms": [
            "x64-based Systems"
          ],
          "product": "Windows Server 2022",
          "vendor": "Microsoft",
          "versions": [
            {
              "lessThan": "10.0.20348.288",
              "status": "affected",
              "version": "10.0.0",
              "versionType": "custom"
            }
          ]
        },
        {
          "cpes": [
            "cpe:2.3:o:microsoft:windows_server_2004:10.0.19041.1288:*:*:*:*:*:*:*"
          ],
          "platforms": [
            "x64-based Systems"
          ],
          "product": "Windows Server version 2004",
          "vendor": "Microsoft",
          "versions": [
            {
              "lessThan": "10.0.19041.1288",
              "status": "affected",
              "version": "10.0.0",
              "versionType": "custom"
            }
          ]
        },
        {
          "cpes": [
            "cpe:2.3:o:microsoft:windows_server_20H2:10.0.19042.1288:*:*:*:*:*:*:*"
          ],
          "platforms": [
            "x64-based Systems"
          ],
          "product": "Windows Server version 20H2",
          "vendor": "Microsoft",
          "versions": [
            {
              "lessThan": "10.0.19042.1288",
              "status": "affected",
              "version": "10.0.0",
              "versionType": "custom"
            }
          ]
        }
      ],
      "source": "secure@microsoft.com"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:microsoft:windows_server:20h2:*:*:*:*:*:*:*",
              "matchCriteriaId": "1EAF6DBA-6E3A-4854-BFBF-B5DC36CE5929",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:microsoft:windows_server_2019:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "DB79EE26-FC32-417D-A49C-A1A63165A968",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:microsoft:windows_server_2022:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "1F0241B0-855A-489C-9AAE-68BC2556F24D",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Windows AD FS Security Feature Bypass Vulnerability"
    },
    {
      "lang": "es",
      "value": "Una vulnerabilidad de Omisi\u00f3n de la Funcionalidad de Seguridad de Windows AD FS"
    }
  ],
  "id": "CVE-2021-40456",
  "lastModified": "2026-06-17T04:06:57.370",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "NONE",
          "baseScore": 5.0,
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "NONE",
          "vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:N",
          "version": "2.0"
        },
        "exploitabilityScore": 10.0,
        "impactScore": 2.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 5.3,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "LOW",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 1.4,
        "source": "secure@microsoft.com",
        "type": "Secondary"
      },
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 7.5,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 3.6,
        "source": "nvd@nist.gov",
        "type": "Secondary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2021-40456",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2024-07-18T20:28:57.205259Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2021-10-13T01:15:09.890",
  "references": [
    {
      "source": "secure@microsoft.com",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-40456"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-40456"
    }
  ],
  "sourceIdentifier": "secure@microsoft.com",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-noinfo"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    },
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-863"
        }
      ],
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "type": "Secondary"
    }
  ]
}

GHSA-J5XG-6V4G-89VW

Vulnerability from github – Published: 2022-05-24 19:17 – Updated: 2022-05-24 19:17

Details

Windows AD FS Security Feature Bypass Vulnerability

Severity

7.5 (High)


                  
                    CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Show details on source website

JSON

To clipboard

{
  "affected": [],
  "aliases": [
    "CVE-2021-40456"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-863"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2021-10-13T01:15:00Z",
    "severity": "HIGH"
  },
  "details": "Windows AD FS Security Feature Bypass Vulnerability",
  "id": "GHSA-j5xg-6v4g-89vw",
  "modified": "2022-05-24T19:17:33Z",
  "published": "2022-05-24T19:17:33Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-40456"
    },
    {
      "type": "WEB",
      "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-40456"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
      "type": "CVSS_V3"
    }
  ]
}

GSD-2021-40456

Vulnerability from gsd - Updated: 2023-12-13 01:23

Details

Windows AD FS Security Feature Bypass Vulnerability

Aliases

CVE-2021-40456

Aliases

CVE-2021-40456

JSON

To clipboard

{
  "GSD": {
    "alias": "CVE-2021-40456",
    "description": "Windows AD FS Security Feature Bypass Vulnerability",
    "id": "GSD-2021-40456"
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2021-40456"
      ],
      "details": "Windows AD FS Security Feature Bypass Vulnerability",
      "id": "GSD-2021-40456",
      "modified": "2023-12-13T01:23:25.074259Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
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        "ASSIGNER": "secure@microsoft.com",
        "ID": "CVE-2021-40456",
        "STATE": "PUBLIC"
      },
      "affects": {
        "vendor": {
          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "Windows Server 2019",
                    "version": {
                      "version_data": [
                        {
                          "version_affected": "\u003c",
                          "version_name": "10.0.0",
                          "version_value": "10.0.17763.2237"
                        }
                      ]
                    }
                  },
                  {
                    "product_name": "Windows Server 2019 (Server Core installation)",
                    "version": {
                      "version_data": [
                        {
                          "version_affected": "\u003c",
                          "version_name": "10.0.0",
                          "version_value": "10.0.17763.2237"
                        }
                      ]
                    }
                  },
                  {
                    "product_name": "Windows Server 2022",
                    "version": {
                      "version_data": [
                        {
                          "version_affected": "\u003c",
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                          "version_value": "10.0.20348.288"
                        }
                      ]
                    }
                  },
                  {
                    "product_name": "Windows Server version 2004",
                    "version": {
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                          "version_value": "10.0.19041.1288"
                        }
                      ]
                    }
                  },
                  {
                    "product_name": "Windows Server version 20H2",
                    "version": {
                      "version_data": [
                        {
                          "version_affected": "\u003c",
                          "version_name": "10.0.0",
                          "version_value": "10.0.19042.1288"
                        }
                      ]
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                ]
              },
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            }
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      },
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          }
        ]
      },
      "impact": {
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          {
            "baseScore": 5.3,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C",
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          }
        ]
      },
      "problemtype": {
        "problemtype_data": [
          {
            "description": [
              {
                "lang": "eng",
                "value": "Security Feature Bypass"
              }
            ]
          }
        ]
      },
      "references": {
        "reference_data": [
          {
            "name": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-40456",
            "refsource": "MISC",
            "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-40456"
          }
        ]
      }
    },
    "nvd.nist.gov": {
      "configurations": {
        "CVE_data_version": "4.0",
        "nodes": [
          {
            "children": [],
            "cpe_match": [
              {
                "cpe23Uri": "cpe:2.3:o:microsoft:windows_server_2019:-:*:*:*:*:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              },
              {
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                "cpe_name": [],
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:o:microsoft:windows_server:20h2:*:*:*:*:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              }
            ],
            "operator": "OR"
          }
        ]
      },
      "cve": {
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        "data_version": "4.0",
        "description": {
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            }
          ]
        },
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        },
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            {
              "name": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-40456",
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              ],
              "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-40456"
            }
          ]
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      },
      "impact": {
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          "acInsufInfo": false,
          "cvssV2": {
            "accessComplexity": "LOW",
            "accessVector": "NETWORK",
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            "baseScore": 5.0,
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            "vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:N",
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          },
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          "impactScore": 2.9,
          "obtainAllPrivilege": false,
          "obtainOtherPrivilege": false,
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        },
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            "attackVector": "NETWORK",
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            "baseScore": 5.3,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "LOW",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
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          },
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          "impactScore": 1.4
        }
      },
      "lastModifiedDate": "2023-08-01T23:15Z",
      "publishedDate": "2021-10-13T01:15Z"
    }
  }
}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

Action not permitted

CVE-2021-40456 (GCVE-0-2021-40456)

BDU:2021-05024 (CVE-2021-40456)

CERTFR-2021-AVI-782

Solution

EUVD-2026-31220

FKIE_CVE-2021-40456

GHSA-J5XG-6V4G-89VW

GSD-2021-40456

Tags

Sightings

Nomenclature

Related by attack behaviour