Vulnerability-Lookup

BDU:2026-15150 (CVE-2026-20323)

Vulnerability from fstec – Published: 2026-09-23 – Updated: 2026-09-23 – View on bdu.fstec.ru Fixed

Title

Уязвимость программного обеспечения администрирования сети Cisco Secure Firewall Management Center (ранее Cisco Firepower Management Center) и программного межсетевого экрана Cisco Secure Firewall Threat Defense (FTD), связанная с ошибками процедуры подтверждения подлинности сертификата, позволяющая нарушителю обойти существующие механизмы безопасности или вызвать отказ в обслуживании

Summary

Уязвимость программного обеспечения администрирования сети Cisco Secure Firewall Management Center (ранее Cisco Firepower Management Center) и программного межсетевого экрана Cisco Secure Firewall Threat Defense (FTD) связана с ошибками процедуры подтверждения подлинности сертификата. Эксплуатация уязвимости может позволить нарушителю, действующему удаленно, обойти существующие механизмы безопасности или вызвать отказ в обслуживании

Severity

6.8 (Medium) CVSS 2.0


                      
                        AV:A/AC:H/Au:N/C:C/I:C/A:C

8.3 (High) CVSS 3.1


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

Class

Code vulnerability

Status

Confirmed by the vendor

Exploitation

Spoofing

Incidents

Being clarified

Remediation

Software update

CWE

CWE-295 - Неправильное подтверждение подлинности сертификата

Aliases

CVE-2026-20323, CISCO-SA-FMCFTD-SFTUN-MULTIVULNS-WGVHORN3

References

1 reference

URL
https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/c…

Impacted products

2 products from 2 vendors

Vendors

Cisco Systems, Inc.

Products

Cisco Secure Firewall Management Center, Cisco Secure Firewall Threat Defense (FTD)

Versions

7.0.0 (Cisco Secure Firewall Management Center), 7.0.0.1 (Cisco Secure Firewall Management Center), 7.0.1 (Cisco Secure Firewall Management Center), 7.0.1.1 (Cisco Secure Firewall Management Center), 7.0.2 (Cisco Secure Firewall Management Center), 7.0.2.1 (Cisco Secure Firewall Management Center), 7.0.3 (Cisco Secure Firewall Management Center), 7.0.4 (Cisco Secure Firewall Management Center), 7.0.5 (Cisco Secure Firewall Management Center), 7.0.6 (Cisco Secure Firewall Management Center), 7.0.6.1 (Cisco Secure Firewall Management Center), 7.0.6.2 (Cisco Secure Firewall Management Center), 7.2.0.1 (Cisco Secure Firewall Management Center), 7.2.3.1 (Cisco Secure Firewall Management Center), 7.2.4.1 (Cisco Secure Firewall Management Center), 7.2.5.1 (Cisco Secure Firewall Management Center), 7.2.5.2 (Cisco Secure Firewall Management Center), 7.2.8.1 (Cisco Secure Firewall Management Center), 7.3.1.1 (Cisco Secure Firewall Management Center), 7.3.1.2 (Cisco Secure Firewall Management Center), 7.4.1.1 (Cisco Secure Firewall Management Center), 7.0.7 (Cisco Secure Firewall Management Center), 7.7.0 (Cisco Secure Firewall Management Center), 7.0.0 (Cisco Secure Firewall Threat Defense (FTD)), 7.0.0.1 (Cisco Secure Firewall Threat Defense (FTD)), 7.0.1 (Cisco Secure Firewall Threat Defense (FTD)), 7.0.1.1 (Cisco Secure Firewall Threat Defense (FTD)), 7.0.2 (Cisco Secure Firewall Threat Defense (FTD)), 7.0.2.1 (Cisco Secure Firewall Threat Defense (FTD)), 7.0.3 (Cisco Secure Firewall Threat Defense (FTD)), 7.0.4 (Cisco Secure Firewall Threat Defense (FTD)), 7.0.5 (Cisco Secure Firewall Threat Defense (FTD)), 7.0.6 (Cisco Secure Firewall Threat Defense (FTD)), 7.0.6.1 (Cisco Secure Firewall Threat Defense (FTD)), 7.0.6.2 (Cisco Secure Firewall Threat Defense (FTD)), 7.0.6.3 (Cisco Secure Firewall Threat Defense (FTD)), 7.0.7 (Cisco Secure Firewall Threat Defense (FTD)), 7.0.8 (Cisco Secure Firewall Threat Defense (FTD)), 7.0.8.1 (Cisco Secure Firewall Threat Defense (FTD)), 7.2.0 (Cisco Secure Firewall Threat Defense (FTD)), 7.2.0.1 (Cisco Secure Firewall Threat Defense (FTD)), 7.2.1 (Cisco Secure Firewall Threat Defense (FTD)), 7.2.2 (Cisco Secure Firewall Threat Defense (FTD)), 7.2.3 (Cisco Secure Firewall Threat Defense (FTD)), 7.2.4 (Cisco Secure Firewall Threat Defense (FTD)), 7.2.4.1 (Cisco Secure Firewall Threat Defense (FTD)), 7.2.5 (Cisco Secure Firewall Threat Defense (FTD)), 7.2.5.1 (Cisco Secure Firewall Threat Defense (FTD)), 7.2.6 (Cisco Secure Firewall Threat Defense (FTD)), 7.2.7 (Cisco Secure Firewall Threat Defense (FTD)), 7.2.5.2 (Cisco Secure Firewall Threat Defense (FTD)), 7.2.8 (Cisco Secure Firewall Threat Defense (FTD)), 7.2.8.1 (Cisco Secure Firewall Threat Defense (FTD)), 7.2.9 (Cisco Secure Firewall Threat Defense (FTD)), 7.2.10 (Cisco Secure Firewall Threat Defense (FTD)), 7.2.10.2 (Cisco Secure Firewall Threat Defense (FTD)), 7.3.0 (Cisco Secure Firewall Threat Defense (FTD)), 7.3.1 (Cisco Secure Firewall Threat Defense (FTD)), 7.3.1.1 (Cisco Secure Firewall Threat Defense (FTD)), 7.3.1.2 (Cisco Secure Firewall Threat Defense (FTD)), 7.4.0 (Cisco Secure Firewall Threat Defense (FTD)), 7.4.1 (Cisco Secure Firewall Threat Defense (FTD)), 7.4.1.1 (Cisco Secure Firewall Threat Defense (FTD)), 7.4.2 (Cisco Secure Firewall Threat Defense (FTD)), 7.4.2.1 (Cisco Secure Firewall Threat Defense (FTD)), 7.4.2.2 (Cisco Secure Firewall Threat Defense (FTD)), 7.4.2.3 (Cisco Secure Firewall Threat Defense (FTD)), 7.4.2.4 (Cisco Secure Firewall Threat Defense (FTD)), 7.4.3 (Cisco Secure Firewall Threat Defense (FTD)), 7.6.0 (Cisco Secure Firewall Threat Defense (FTD)), 7.6.1 (Cisco Secure Firewall Threat Defense (FTD)), 7.6.2 (Cisco Secure Firewall Threat Defense (FTD)), 7.6.2.1 (Cisco Secure Firewall Threat Defense (FTD)), 7.7.0 (Cisco Secure Firewall Threat Defense (FTD)), 7.7.10 (Cisco Secure Firewall Threat Defense (FTD)), 7.7.10.1 (Cisco Secure Firewall Threat Defense (FTD)), 7.0.6.3 (Cisco Secure Firewall Management Center), 7.0.8 (Cisco Secure Firewall Management Center), 7.0.8.1 (Cisco Secure Firewall Management Center), 7.2.0 (Cisco Secure Firewall Management Center), 7.2.1 (Cisco Secure Firewall Management Center), 7.2.2 (Cisco Secure Firewall Management Center), 7.2.3 (Cisco Secure Firewall Management Center), 7.2.4 (Cisco Secure Firewall Management Center), 7.2.5 (Cisco Secure Firewall Management Center), 7.2.6 (Cisco Secure Firewall Management Center), 7.2.7 (Cisco Secure Firewall Management Center), 7.2.8 (Cisco Secure Firewall Management Center), 7.2.9 (Cisco Secure Firewall Management Center), 7.2.10 (Cisco Secure Firewall Management Center), 7.2.10.2 (Cisco Secure Firewall Management Center), 7.2.10.1 (Cisco Secure Firewall Management Center), 7.3.0 (Cisco Secure Firewall Management Center), 7.3.1 (Cisco Secure Firewall Management Center), 7.4.0 (Cisco Secure Firewall Management Center), 7.4.1 (Cisco Secure Firewall Management Center), 7.4.2 (Cisco Secure Firewall Management Center), 7.4.2.1 (Cisco Secure Firewall Management Center), 7.4.2.2 (Cisco Secure Firewall Management Center), 7.4.2.3 (Cisco Secure Firewall Management Center), 7.4.2.4 (Cisco Secure Firewall Management Center), 7.4.3 (Cisco Secure Firewall Management Center), 7.4.4 (Cisco Secure Firewall Management Center), 7.4.5 (Cisco Secure Firewall Management Center), 7.6.0 (Cisco Secure Firewall Management Center), 7.6.1 (Cisco Secure Firewall Management Center), 7.6.2 (Cisco Secure Firewall Management Center), 7.6.2.1 (Cisco Secure Firewall Management Center), 7.6.3 (Cisco Secure Firewall Management Center), 7.6.4 (Cisco Secure Firewall Management Center), 7.7.10 (Cisco Secure Firewall Management Center), 7.7.10.1 (Cisco Secure Firewall Management Center), 7.7.11 (Cisco Secure Firewall Management Center), 10.0.0 (Cisco Secure Firewall Management Center), 7.0.9 (Cisco Secure Firewall Threat Defense (FTD)), 7.2.11 (Cisco Secure Firewall Threat Defense (FTD)), 7.4.4 (Cisco Secure Firewall Threat Defense (FTD)), 7.4.7 (Cisco Secure Firewall Threat Defense (FTD)), 7.6.4 (Cisco Secure Firewall Threat Defense (FTD)), 7.7.11 (Cisco Secure Firewall Threat Defense (FTD)), 10.0.0 (Cisco Secure Firewall Threat Defense (FTD)), 7.0.9 (Cisco Secure Firewall Management Center), 7.2.11 (Cisco Secure Firewall Management Center), 7.4.6 (Cisco Secure Firewall Management Center), 7.4.7 (Cisco Secure Firewall Management Center), 7.6.5 (Cisco Secure Firewall Management Center), 7.7.12 (Cisco Secure Firewall Management Center), 10.0.1 (Cisco Secure Firewall Management Center)

Product types

ПО программно-аппаратных средств защиты, Security device

Mitigations

Использование рекомендаций производителя: https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-fmcftd-sftun-multivulns-WGVHOrN3

JSON

To clipboard

{
  "CVSS 2.0": "AV:A/AC:H/Au:N/C:C/I:C/A:C",
  "CVSS 3.0": "AV:A/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H",
  "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": "Cisco Systems, Inc.",
  "\u0412\u0435\u0440\u0441\u0438\u044f \u041f\u041e": "7.0.0 (Cisco Secure Firewall Management Center), 7.0.0.1 (Cisco Secure Firewall Management Center), 7.0.1 (Cisco Secure Firewall Management Center), 7.0.1.1 (Cisco Secure Firewall Management Center), 7.0.2 (Cisco Secure Firewall Management Center), 7.0.2.1 (Cisco Secure Firewall Management Center), 7.0.3 (Cisco Secure Firewall Management Center), 7.0.4 (Cisco Secure Firewall Management Center), 7.0.5 (Cisco Secure Firewall Management Center), 7.0.6 (Cisco Secure Firewall Management Center), 7.0.6.1 (Cisco Secure Firewall Management Center), 7.0.6.2 (Cisco Secure Firewall Management Center), 7.2.0.1 (Cisco Secure Firewall Management Center), 7.2.3.1 (Cisco Secure Firewall Management Center), 7.2.4.1 (Cisco Secure Firewall Management Center), 7.2.5.1 (Cisco Secure Firewall Management Center), 7.2.5.2 (Cisco Secure Firewall Management Center), 7.2.8.1 (Cisco Secure Firewall Management Center), 7.3.1.1 (Cisco Secure Firewall Management Center), 7.3.1.2 (Cisco Secure Firewall Management Center), 7.4.1.1 (Cisco Secure Firewall Management Center), 7.0.7 (Cisco Secure Firewall Management Center), 7.7.0 (Cisco Secure Firewall Management Center), 7.0.0 (Cisco Secure Firewall Threat Defense (FTD)), 7.0.0.1 (Cisco Secure Firewall Threat Defense (FTD)), 7.0.1 (Cisco Secure Firewall Threat Defense (FTD)), 7.0.1.1 (Cisco Secure Firewall Threat Defense (FTD)), 7.0.2 (Cisco Secure Firewall Threat Defense (FTD)), 7.0.2.1 (Cisco Secure Firewall Threat Defense (FTD)), 7.0.3 (Cisco Secure Firewall Threat Defense (FTD)), 7.0.4 (Cisco Secure Firewall Threat Defense (FTD)), 7.0.5 (Cisco Secure Firewall Threat Defense (FTD)), 7.0.6 (Cisco Secure Firewall Threat Defense (FTD)), 7.0.6.1 (Cisco Secure Firewall Threat Defense (FTD)), 7.0.6.2 (Cisco Secure Firewall Threat Defense (FTD)), 7.0.6.3 (Cisco Secure Firewall Threat Defense (FTD)), 7.0.7 (Cisco Secure Firewall Threat Defense (FTD)), 7.0.8 (Cisco Secure Firewall Threat Defense (FTD)), 7.0.8.1 (Cisco Secure Firewall Threat Defense (FTD)), 7.2.0 (Cisco Secure Firewall Threat Defense (FTD)), 7.2.0.1 (Cisco Secure Firewall Threat Defense (FTD)), 7.2.1 (Cisco Secure Firewall Threat Defense (FTD)), 7.2.2 (Cisco Secure Firewall Threat Defense (FTD)), 7.2.3 (Cisco Secure Firewall Threat Defense (FTD)), 7.2.4 (Cisco Secure Firewall Threat Defense (FTD)), 7.2.4.1 (Cisco Secure Firewall Threat Defense (FTD)), 7.2.5 (Cisco Secure Firewall Threat Defense (FTD)), 7.2.5.1 (Cisco Secure Firewall Threat Defense (FTD)), 7.2.6 (Cisco Secure Firewall Threat Defense (FTD)), 7.2.7 (Cisco Secure Firewall Threat Defense (FTD)), 7.2.5.2 (Cisco Secure Firewall Threat Defense (FTD)), 7.2.8 (Cisco Secure Firewall Threat Defense (FTD)), 7.2.8.1 (Cisco Secure Firewall Threat Defense (FTD)), 7.2.9 (Cisco Secure Firewall Threat Defense (FTD)), 7.2.10 (Cisco Secure Firewall Threat Defense (FTD)), 7.2.10.2 (Cisco Secure Firewall Threat Defense (FTD)), 7.3.0 (Cisco Secure Firewall Threat Defense (FTD)), 7.3.1 (Cisco Secure Firewall Threat Defense (FTD)), 7.3.1.1 (Cisco Secure Firewall Threat Defense (FTD)), 7.3.1.2 (Cisco Secure Firewall Threat Defense (FTD)), 7.4.0 (Cisco Secure Firewall Threat Defense (FTD)), 7.4.1 (Cisco Secure Firewall Threat Defense (FTD)), 7.4.1.1 (Cisco Secure Firewall Threat Defense (FTD)), 7.4.2 (Cisco Secure Firewall Threat Defense (FTD)), 7.4.2.1 (Cisco Secure Firewall Threat Defense (FTD)), 7.4.2.2 (Cisco Secure Firewall Threat Defense (FTD)), 7.4.2.3 (Cisco Secure Firewall Threat Defense (FTD)), 7.4.2.4 (Cisco Secure Firewall Threat Defense (FTD)), 7.4.3 (Cisco Secure Firewall Threat Defense (FTD)), 7.6.0 (Cisco Secure Firewall Threat Defense (FTD)), 7.6.1 (Cisco Secure Firewall Threat Defense (FTD)), 7.6.2 (Cisco Secure Firewall Threat Defense (FTD)), 7.6.2.1 (Cisco Secure Firewall Threat Defense (FTD)), 7.7.0 (Cisco Secure Firewall Threat Defense (FTD)), 7.7.10 (Cisco Secure Firewall Threat Defense (FTD)), 7.7.10.1 (Cisco Secure Firewall Threat Defense (FTD)), 7.0.6.3 (Cisco Secure Firewall Management Center), 7.0.8 (Cisco Secure Firewall Management Center), 7.0.8.1 (Cisco Secure Firewall Management Center), 7.2.0 (Cisco Secure Firewall Management Center), 7.2.1 (Cisco Secure Firewall Management Center), 7.2.2 (Cisco Secure Firewall Management Center), 7.2.3 (Cisco Secure Firewall Management Center), 7.2.4 (Cisco Secure Firewall Management Center), 7.2.5 (Cisco Secure Firewall Management Center), 7.2.6 (Cisco Secure Firewall Management Center), 7.2.7 (Cisco Secure Firewall Management Center), 7.2.8 (Cisco Secure Firewall Management Center), 7.2.9 (Cisco Secure Firewall Management Center), 7.2.10 (Cisco Secure Firewall Management Center), 7.2.10.2 (Cisco Secure Firewall Management Center), 7.2.10.1 (Cisco Secure Firewall Management Center), 7.3.0 (Cisco Secure Firewall Management Center), 7.3.1 (Cisco Secure Firewall Management Center), 7.4.0 (Cisco Secure Firewall Management Center), 7.4.1 (Cisco Secure Firewall Management Center), 7.4.2 (Cisco Secure Firewall Management Center), 7.4.2.1 (Cisco Secure Firewall Management Center), 7.4.2.2 (Cisco Secure Firewall Management Center), 7.4.2.3 (Cisco Secure Firewall Management Center), 7.4.2.4 (Cisco Secure Firewall Management Center), 7.4.3 (Cisco Secure Firewall Management Center), 7.4.4 (Cisco Secure Firewall Management Center), 7.4.5 (Cisco Secure Firewall Management Center), 7.6.0 (Cisco Secure Firewall Management Center), 7.6.1 (Cisco Secure Firewall Management Center), 7.6.2 (Cisco Secure Firewall Management Center), 7.6.2.1 (Cisco Secure Firewall Management Center), 7.6.3 (Cisco Secure Firewall Management Center), 7.6.4 (Cisco Secure Firewall Management Center), 7.7.10 (Cisco Secure Firewall Management Center), 7.7.10.1 (Cisco Secure Firewall Management Center), 7.7.11 (Cisco Secure Firewall Management Center), 10.0.0 (Cisco Secure Firewall Management Center), 7.0.9 (Cisco Secure Firewall Threat Defense (FTD)), 7.2.11 (Cisco Secure Firewall Threat Defense (FTD)), 7.4.4 (Cisco Secure Firewall Threat Defense (FTD)), 7.4.7 (Cisco Secure Firewall Threat Defense (FTD)), 7.6.4 (Cisco Secure Firewall Threat Defense (FTD)), 7.7.11 (Cisco Secure Firewall Threat Defense (FTD)), 10.0.0 (Cisco Secure Firewall Threat Defense (FTD)), 7.0.9 (Cisco Secure Firewall Management Center), 7.2.11 (Cisco Secure Firewall Management Center), 7.4.6 (Cisco Secure Firewall Management Center), 7.4.7 (Cisco Secure Firewall Management Center), 7.6.5 (Cisco Secure Firewall Management Center), 7.7.12 (Cisco Secure Firewall Management Center), 10.0.1 (Cisco Secure Firewall Management Center)",
  "\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": "\u0418\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0435 \u0440\u0435\u043a\u043e\u043c\u0435\u043d\u0434\u0430\u0446\u0438\u0439 \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u0442\u0435\u043b\u044f:\nhttps://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-fmcftd-sftun-multivulns-WGVHOrN3",
  "\u0414\u0430\u0442\u0430 \u0432\u044b\u044f\u0432\u043b\u0435\u043d\u0438\u044f": "16.09.2026",
  "\u0414\u0430\u0442\u0430 \u043f\u043e\u0441\u043b\u0435\u0434\u043d\u0435\u0433\u043e \u043e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u044f": "23.09.2026",
  "\u0414\u0430\u0442\u0430 \u043f\u0443\u0431\u043b\u0438\u043a\u0430\u0446\u0438\u0438": "23.09.2026",
  "\u0418\u0434\u0435\u043d\u0442\u0438\u0444\u0438\u043a\u0430\u0442\u043e\u0440": "BDU:2026-15150",
  "\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-2026-20323, CISCO-SA-fmcftd-sftun-multivulns-WGVHOrN3",
  "\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": "Cisco Secure Firewall Management Center, Cisco Secure Firewall Threat Defense (FTD)",
  "\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": null,
  "\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 \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u043d\u043e\u0433\u043e \u043e\u0431\u0435\u0441\u043f\u0435\u0447\u0435\u043d\u0438\u044f \u0430\u0434\u043c\u0438\u043d\u0438\u0441\u0442\u0440\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f \u0441\u0435\u0442\u0438 Cisco Secure Firewall Management Center (\u0440\u0430\u043d\u0435\u0435 Cisco Firepower Management Center) \u0438 \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u043d\u043e\u0433\u043e \u043c\u0435\u0436\u0441\u0435\u0442\u0435\u0432\u043e\u0433\u043e \u044d\u043a\u0440\u0430\u043d\u0430 Cisco Secure Firewall Threat Defense (FTD), \u0441\u0432\u044f\u0437\u0430\u043d\u043d\u0430\u044f \u0441 \u043e\u0448\u0438\u0431\u043a\u0430\u043c\u0438 \u043f\u0440\u043e\u0446\u0435\u0434\u0443\u0440\u044b \u043f\u043e\u0434\u0442\u0432\u0435\u0440\u0436\u0434\u0435\u043d\u0438\u044f \u043f\u043e\u0434\u043b\u0438\u043d\u043d\u043e\u0441\u0442\u0438 \u0441\u0435\u0440\u0442\u0438\u0444\u0438\u043a\u0430\u0442\u0430, \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 \u0441\u0443\u0449\u0435\u0441\u0442\u0432\u0443\u044e\u0449\u0438\u0435 \u043c\u0435\u0445\u0430\u043d\u0438\u0437\u043c\u044b \u0431\u0435\u0437\u043e\u043f\u0430\u0441\u043d\u043e\u0441\u0442\u0438 \u0438\u043b\u0438 \u0432\u044b\u0437\u0432\u0430\u0442\u044c \u043e\u0442\u043a\u0430\u0437 \u0432 \u043e\u0431\u0441\u043b\u0443\u0436\u0438\u0432\u0430\u043d\u0438\u0438",
  "\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": "\u041d\u0435\u043f\u0440\u0430\u0432\u0438\u043b\u044c\u043d\u043e\u0435 \u043f\u043e\u0434\u0442\u0432\u0435\u0440\u0436\u0434\u0435\u043d\u0438\u0435 \u043f\u043e\u0434\u043b\u0438\u043d\u043d\u043e\u0441\u0442\u0438 \u0441\u0435\u0440\u0442\u0438\u0444\u0438\u043a\u0430\u0442\u0430 (CWE-295)",
  "\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 \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u043d\u043e\u0433\u043e \u043e\u0431\u0435\u0441\u043f\u0435\u0447\u0435\u043d\u0438\u044f \u0430\u0434\u043c\u0438\u043d\u0438\u0441\u0442\u0440\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f \u0441\u0435\u0442\u0438 Cisco Secure Firewall Management Center (\u0440\u0430\u043d\u0435\u0435 Cisco Firepower Management Center) \u0438 \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u043d\u043e\u0433\u043e \u043c\u0435\u0436\u0441\u0435\u0442\u0435\u0432\u043e\u0433\u043e \u044d\u043a\u0440\u0430\u043d\u0430 Cisco Secure Firewall Threat Defense (FTD) \u0441\u0432\u044f\u0437\u0430\u043d\u0430 \u0441 \u043e\u0448\u0438\u0431\u043a\u0430\u043c\u0438 \u043f\u0440\u043e\u0446\u0435\u0434\u0443\u0440\u044b \u043f\u043e\u0434\u0442\u0432\u0435\u0440\u0436\u0434\u0435\u043d\u0438\u044f \u043f\u043e\u0434\u043b\u0438\u043d\u043d\u043e\u0441\u0442\u0438 \u0441\u0435\u0440\u0442\u0438\u0444\u0438\u043a\u0430\u0442\u0430. \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 \u0441\u0443\u0449\u0435\u0441\u0442\u0432\u0443\u044e\u0449\u0438\u0435 \u043c\u0435\u0445\u0430\u043d\u0438\u0437\u043c\u044b \u0431\u0435\u0437\u043e\u043f\u0430\u0441\u043d\u043e\u0441\u0442\u0438 \u0438\u043b\u0438 \u0432\u044b\u0437\u0432\u0430\u0442\u044c \u043e\u0442\u043a\u0430\u0437 \u0432 \u043e\u0431\u0441\u043b\u0443\u0436\u0438\u0432\u0430\u043d\u0438\u0438",
  "\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": "\u041f\u043e\u0434\u043c\u0435\u043d\u0430 \u043f\u0440\u0438 \u0432\u0437\u0430\u0438\u043c\u043e\u0434\u0435\u0439\u0441\u0442\u0432\u0438\u0438",
  "\u0421\u0441\u044b\u043b\u043a\u0438 \u043d\u0430 \u0438\u0441\u0442\u043e\u0447\u043d\u0438\u043a\u0438": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-fmcftd-sftun-multivulns-WGVHOrN3",
  "\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": "\u041f\u041e \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u043d\u043e-\u0430\u043f\u043f\u0430\u0440\u0430\u0442\u043d\u044b\u0445 \u0441\u0440\u0435\u0434\u0441\u0442\u0432 \u0437\u0430\u0449\u0438\u0442\u044b, \u0421\u0440\u0435\u0434\u0441\u0442\u0432\u043e \u0437\u0430\u0449\u0438\u0442\u044b",
  "\u0422\u0438\u043f \u043e\u0448\u0438\u0431\u043a\u0438 CWE": "CWE-295",
  "\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 6,8)\n\u0412\u044b\u0441\u043e\u043a\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 3.1 \u0441\u043e\u0441\u0442\u0430\u0432\u043b\u044f\u0435\u0442 8,3)"
}

CISCO-SA-FMCFTD-SFTUN-MULTIVULNS-WGVHORN3

Vulnerability from csaf_cisco - Published: 2026-09-16 16:00 - Updated: 2026-09-16 16:00

Summary

Cisco Secure Firewall Management Center and Secure Firewall Threat Defense Software sftunnel Vulnerabilities

Scope

2 vulnerabilities in this advisory.

Open the full advisory

CVE-2026-20323 (GCVE-0-2026-20323)

Vulnerability from cvelistv5 – Published: 2026-09-16 20:15 – Updated: 2026-09-17 11:39

Title

Cisco Secure Firewall Management Center and Secure Firewall Threat Defense Software sftunnel Unauthorized Authentication Bypass Vulnerability

Summary

A vulnerability in the sftunnel inter-device communication protocol of Cisco Secure FMC Software and Cisco Secure FTD Software could allow an unauthenticated, adjacent attacker to impersonate the peer device and obtain access at the level of the manager role, which is equivalent to root. This vulnerability is due to improper management of the TLS certificate for the sftunnel management connection. An attacker could exploit this vulnerability by connecting to the sftunnel port using a crafted TLS certificate. A successful exploit could allow the attacker to become a registered sftunnel peer with root access. Note: The attack is successful only if the sftunnel connection is down or the attack can disrupt the sftunnel connection long enough to execute the attack.

Severity

8.3 (High)


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

SSVC

Exploitation: none Automatable: no Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-09-17 03:57 UTC

CWE

CWE-295 - Improper Certificate Validation

Assigner

cisco mitre root Scorecard

References

1 reference

URL	Tags
https://sec.cloudapps.cisco.com/security/center/c…

Impacted products

2 products

Vendor	Product	Version
Cisco	Cisco Secure Firewall Management Center (FMC)	Affected: 7.0.0 Affected: 7.0.0.1 Affected: 7.0.1 Affected: 7.0.1.1 Affected: 7.0.2 Affected: 7.2.0 Affected: 7.0.2.1 Affected: 7.0.3 Affected: 7.2.0.1 Affected: 7.0.4 Affected: 7.2.1 Affected: 7.0.5 Affected: 7.3.0 Affected: 7.2.2 Affected: 7.3.1 Affected: 7.2.3 Affected: 7.2.3.1 Affected: 7.2.4 Affected: 7.0.6 Affected: 7.2.4.1 Affected: 7.2.5 Affected: 7.3.1.1 Affected: 7.4.0 Affected: 7.0.6.1 Affected: 7.2.5.1 Affected: 7.4.1 Affected: 7.2.6 Affected: 7.4.1.1 Affected: 7.0.6.2 Affected: 7.2.7 Affected: 7.2.5.2 Affected: 7.3.1.2 Affected: 7.2.8 Affected: 7.6.0 Affected: 7.4.2 Affected: 7.2.8.1 Affected: 7.0.6.3 Affected: 7.4.2.1 Affected: 7.2.9 Affected: 7.0.7 Affected: 7.7.0 Affected: 7.4.2.2 Affected: 7.2.10 Affected: 7.6.1 Affected: 7.4.2.3 Affected: 7.0.8 Affected: 7.6.2 Affected: 7.7.10 Affected: 7.2.10.1 Affected: 7.0.8.1 Affected: 7.6.2.1 Affected: 7.2.10.2 Affected: 7.7.10.1 Affected: 7.4.2.4 Affected: 7.4.3 Affected: 7.6.3 Affected: 7.7.11 Affected: 7.6.4 Affected: 10.0.0 Affected: 7.4.4 Affected: 7.4.5 Affected: 7.0.9 Affected: 7.2.11 Affected: 7.7.12 Affected: 7.6.5 Affected: 7.4.6 Affected: 10.0.1 Affected: 7.4.7 Affected: 7.0.10
Cisco	Cisco Secure Firewall Threat Defense (FTD) Software	Affected: 7.0.0 Affected: 7.0.0.1 Affected: 7.0.1 Affected: 7.0.1.1 Affected: 7.0.2 Affected: 7.2.0 Affected: 7.0.2.1 Affected: 7.0.3 Affected: 7.2.0.1 Affected: 7.0.4 Affected: 7.2.1 Affected: 7.0.5 Affected: 7.3.0 Affected: 7.2.2 Affected: 7.2.3 Affected: 7.3.1 Affected: 7.2.4 Affected: 7.0.6 Affected: 7.2.5 Affected: 7.2.4.1 Affected: 7.3.1.1 Affected: 7.4.0 Affected: 7.0.6.1 Affected: 7.2.5.1 Affected: 7.4.1 Affected: 7.2.6 Affected: 7.0.6.2 Affected: 7.4.1.1 Affected: 7.2.7 Affected: 7.2.5.2 Affected: 7.3.1.2 Affected: 7.2.8 Affected: 7.6.0 Affected: 7.4.2 Affected: 7.2.8.1 Affected: 7.0.6.3 Affected: 7.4.2.1 Affected: 7.2.9 Affected: 7.0.7 Affected: 7.7.0 Affected: 7.4.2.2 Affected: 7.2.10 Affected: 7.6.1 Affected: 7.4.2.3 Affected: 7.0.8 Affected: 7.6.2 Affected: 7.7.10 Affected: 7.7.11 Affected: 7.0.8.1 Affected: 7.6.2.1 Affected: 7.7.10.1 Affected: 7.4.2.4 Affected: 7.2.10.2 Affected: 7.4.3 Affected: 7.6.4 Affected: 10.0.0 Affected: 7.4.4 Affected: 7.0.9 Affected: 7.2.11 Affected: 7.4.7 Affected: 7.0.10

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{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-20323",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-09-17T03:57:39.569102Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-09-17T11:39:21.989Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unknown",
          "product": "Cisco Secure Firewall Management Center (FMC)",
          "vendor": "Cisco",
          "versions": [
            {
              "status": "affected",
              "version": "7.0.0"
            },
            {
              "status": "affected",
              "version": "7.0.0.1"
            },
            {
              "status": "affected",
              "version": "7.0.1"
            },
            {
              "status": "affected",
              "version": "7.0.1.1"
            },
            {
              "status": "affected",
              "version": "7.0.2"
            },
            {
              "status": "affected",
              "version": "7.2.0"
            },
            {
              "status": "affected",
              "version": "7.0.2.1"
            },
            {
              "status": "affected",
              "version": "7.0.3"
            },
            {
              "status": "affected",
              "version": "7.2.0.1"
            },
            {
              "status": "affected",
              "version": "7.0.4"
            },
            {
              "status": "affected",
              "version": "7.2.1"
            },
            {
              "status": "affected",
              "version": "7.0.5"
            },
            {
              "status": "affected",
              "version": "7.3.0"
            },
            {
              "status": "affected",
              "version": "7.2.2"
            },
            {
              "status": "affected",
              "version": "7.3.1"
            },
            {
              "status": "affected",
              "version": "7.2.3"
            },
            {
              "status": "affected",
              "version": "7.2.3.1"
            },
            {
              "status": "affected",
              "version": "7.2.4"
            },
            {
              "status": "affected",
              "version": "7.0.6"
            },
            {
              "status": "affected",
              "version": "7.2.4.1"
            },
            {
              "status": "affected",
              "version": "7.2.5"
            },
            {
              "status": "affected",
              "version": "7.3.1.1"
            },
            {
              "status": "affected",
              "version": "7.4.0"
            },
            {
              "status": "affected",
              "version": "7.0.6.1"
            },
            {
              "status": "affected",
              "version": "7.2.5.1"
            },
            {
              "status": "affected",
              "version": "7.4.1"
            },
            {
              "status": "affected",
              "version": "7.2.6"
            },
            {
              "status": "affected",
              "version": "7.4.1.1"
            },
            {
              "status": "affected",
              "version": "7.0.6.2"
            },
            {
              "status": "affected",
              "version": "7.2.7"
            },
            {
              "status": "affected",
              "version": "7.2.5.2"
            },
            {
              "status": "affected",
              "version": "7.3.1.2"
            },
            {
              "status": "affected",
              "version": "7.2.8"
            },
            {
              "status": "affected",
              "version": "7.6.0"
            },
            {
              "status": "affected",
              "version": "7.4.2"
            },
            {
              "status": "affected",
              "version": "7.2.8.1"
            },
            {
              "status": "affected",
              "version": "7.0.6.3"
            },
            {
              "status": "affected",
              "version": "7.4.2.1"
            },
            {
              "status": "affected",
              "version": "7.2.9"
            },
            {
              "status": "affected",
              "version": "7.0.7"
            },
            {
              "status": "affected",
              "version": "7.7.0"
            },
            {
              "status": "affected",
              "version": "7.4.2.2"
            },
            {
              "status": "affected",
              "version": "7.2.10"
            },
            {
              "status": "affected",
              "version": "7.6.1"
            },
            {
              "status": "affected",
              "version": "7.4.2.3"
            },
            {
              "status": "affected",
              "version": "7.0.8"
            },
            {
              "status": "affected",
              "version": "7.6.2"
            },
            {
              "status": "affected",
              "version": "7.7.10"
            },
            {
              "status": "affected",
              "version": "7.2.10.1"
            },
            {
              "status": "affected",
              "version": "7.0.8.1"
            },
            {
              "status": "affected",
              "version": "7.6.2.1"
            },
            {
              "status": "affected",
              "version": "7.2.10.2"
            },
            {
              "status": "affected",
              "version": "7.7.10.1"
            },
            {
              "status": "affected",
              "version": "7.4.2.4"
            },
            {
              "status": "affected",
              "version": "7.4.3"
            },
            {
              "status": "affected",
              "version": "7.6.3"
            },
            {
              "status": "affected",
              "version": "7.7.11"
            },
            {
              "status": "affected",
              "version": "7.6.4"
            },
            {
              "status": "affected",
              "version": "10.0.0"
            },
            {
              "status": "affected",
              "version": "7.4.4"
            },
            {
              "status": "affected",
              "version": "7.4.5"
            },
            {
              "status": "affected",
              "version": "7.0.9"
            },
            {
              "status": "affected",
              "version": "7.2.11"
            },
            {
              "status": "affected",
              "version": "7.7.12"
            },
            {
              "status": "affected",
              "version": "7.6.5"
            },
            {
              "status": "affected",
              "version": "7.4.6"
            },
            {
              "status": "affected",
              "version": "10.0.1"
            },
            {
              "status": "affected",
              "version": "7.4.7"
            },
            {
              "status": "affected",
              "version": "7.0.10"
            }
          ]
        },
        {
          "defaultStatus": "unknown",
          "product": "Cisco Secure Firewall Threat Defense (FTD) Software",
          "vendor": "Cisco",
          "versions": [
            {
              "status": "affected",
              "version": "7.0.0"
            },
            {
              "status": "affected",
              "version": "7.0.0.1"
            },
            {
              "status": "affected",
              "version": "7.0.1"
            },
            {
              "status": "affected",
              "version": "7.0.1.1"
            },
            {
              "status": "affected",
              "version": "7.0.2"
            },
            {
              "status": "affected",
              "version": "7.2.0"
            },
            {
              "status": "affected",
              "version": "7.0.2.1"
            },
            {
              "status": "affected",
              "version": "7.0.3"
            },
            {
              "status": "affected",
              "version": "7.2.0.1"
            },
            {
              "status": "affected",
              "version": "7.0.4"
            },
            {
              "status": "affected",
              "version": "7.2.1"
            },
            {
              "status": "affected",
              "version": "7.0.5"
            },
            {
              "status": "affected",
              "version": "7.3.0"
            },
            {
              "status": "affected",
              "version": "7.2.2"
            },
            {
              "status": "affected",
              "version": "7.2.3"
            },
            {
              "status": "affected",
              "version": "7.3.1"
            },
            {
              "status": "affected",
              "version": "7.2.4"
            },
            {
              "status": "affected",
              "version": "7.0.6"
            },
            {
              "status": "affected",
              "version": "7.2.5"
            },
            {
              "status": "affected",
              "version": "7.2.4.1"
            },
            {
              "status": "affected",
              "version": "7.3.1.1"
            },
            {
              "status": "affected",
              "version": "7.4.0"
            },
            {
              "status": "affected",
              "version": "7.0.6.1"
            },
            {
              "status": "affected",
              "version": "7.2.5.1"
            },
            {
              "status": "affected",
              "version": "7.4.1"
            },
            {
              "status": "affected",
              "version": "7.2.6"
            },
            {
              "status": "affected",
              "version": "7.0.6.2"
            },
            {
              "status": "affected",
              "version": "7.4.1.1"
            },
            {
              "status": "affected",
              "version": "7.2.7"
            },
            {
              "status": "affected",
              "version": "7.2.5.2"
            },
            {
              "status": "affected",
              "version": "7.3.1.2"
            },
            {
              "status": "affected",
              "version": "7.2.8"
            },
            {
              "status": "affected",
              "version": "7.6.0"
            },
            {
              "status": "affected",
              "version": "7.4.2"
            },
            {
              "status": "affected",
              "version": "7.2.8.1"
            },
            {
              "status": "affected",
              "version": "7.0.6.3"
            },
            {
              "status": "affected",
              "version": "7.4.2.1"
            },
            {
              "status": "affected",
              "version": "7.2.9"
            },
            {
              "status": "affected",
              "version": "7.0.7"
            },
            {
              "status": "affected",
              "version": "7.7.0"
            },
            {
              "status": "affected",
              "version": "7.4.2.2"
            },
            {
              "status": "affected",
              "version": "7.2.10"
            },
            {
              "status": "affected",
              "version": "7.6.1"
            },
            {
              "status": "affected",
              "version": "7.4.2.3"
            },
            {
              "status": "affected",
              "version": "7.0.8"
            },
            {
              "status": "affected",
              "version": "7.6.2"
            },
            {
              "status": "affected",
              "version": "7.7.10"
            },
            {
              "status": "affected",
              "version": "7.7.11"
            },
            {
              "status": "affected",
              "version": "7.0.8.1"
            },
            {
              "status": "affected",
              "version": "7.6.2.1"
            },
            {
              "status": "affected",
              "version": "7.7.10.1"
            },
            {
              "status": "affected",
              "version": "7.4.2.4"
            },
            {
              "status": "affected",
              "version": "7.2.10.2"
            },
            {
              "status": "affected",
              "version": "7.4.3"
            },
            {
              "status": "affected",
              "version": "7.6.4"
            },
            {
              "status": "affected",
              "version": "10.0.0"
            },
            {
              "status": "affected",
              "version": "7.4.4"
            },
            {
              "status": "affected",
              "version": "7.0.9"
            },
            {
              "status": "affected",
              "version": "7.2.11"
            },
            {
              "status": "affected",
              "version": "7.4.7"
            },
            {
              "status": "affected",
              "version": "7.0.10"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "A vulnerability in the sftunnel inter-device communication protocol of Cisco Secure FMC Software and Cisco Secure FTD Software could allow an unauthenticated, adjacent attacker to impersonate the peer device and obtain access at the level of the\u0026nbsp;manager role, which is equivalent to root.\r\n\r\nThis vulnerability is due to improper management of the TLS certificate for the sftunnel management connection. An attacker could exploit this vulnerability by connecting to the sftunnel port using a crafted TLS certificate. A successful exploit could allow the attacker to become a registered sftunnel peer with root access.\r\nNote: The attack is successful only if the sftunnel connection is down or the attack can disrupt the sftunnel connection long enough to execute the attack."
        }
      ],
      "exploits": [
        {
          "lang": "en",
          "value": "The Cisco Product Security Incident Response Team (PSIRT) is not aware of any public announcements or malicious use of the vulnerabilities that are described in this advisory."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "HIGH",
            "attackVector": "ADJACENT_NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 8.3,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "CHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H",
            "version": "3.1"
          },
          "format": "cvssV3_1"
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-295",
              "description": "Improper Certificate Validation",
              "lang": "en",
              "type": "cwe"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-09-16T20:15:35.850Z",
        "orgId": "d1c1063e-7a18-46af-9102-31f8928bc633",
        "shortName": "cisco"
      },
      "references": [
        {
          "name": "cisco-sa-fmcftd-sftun-multivulns-WGVHOrN3",
          "url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-fmcftd-sftun-multivulns-WGVHOrN3"
        }
      ],
      "source": {
        "advisory": "cisco-sa-fmcftd-sftun-multivulns-WGVHOrN3",
        "defects": [
          "CSCwu16917"
        ],
        "discovery": "INTERNAL"
      },
      "title": "Cisco Secure Firewall Management Center and Secure Firewall Threat Defense Software sftunnel Unauthorized Authentication Bypass Vulnerability"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "d1c1063e-7a18-46af-9102-31f8928bc633",
    "assignerShortName": "cisco",
    "cveId": "CVE-2026-20323",
    "datePublished": "2026-09-16T20:15:35.850Z",
    "dateReserved": "2025-10-08T11:59:15.411Z",
    "dateUpdated": "2026-09-17T11:39:21.989Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

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

BDU:2026-15150 (CVE-2026-20323)

CISCO-SA-FMCFTD-SFTUN-MULTIVULNS-WGVHORN3

CVE-2026-20323 (GCVE-0-2026-20323)

Tags

Sightings

Nomenclature

Related by attack behaviour