Vulnerability-Lookup

BDU:2025-13247 (CVE-2025-55315)

Vulnerability from fstec – Published: 2025-10-22 – Updated: 2025-11-26 – View on bdu.fstec.ru Fixed

Title

Уязвимость программной платформы ASP.NET Core, связанная с недостатками обработки HTTP-запросов, позволяющая нарушителю обойти существующие ограничения безопасности

Summary

Уязвимость программной платформы ASP.NET Core связана с недостатками обработки HTTP-запросов. Эксплуатация уязвимости может позволить нарушителю, действующему удаленно, обойти существующие ограничения безопасности

Severity

8.7 (High) CVSS 2.0


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

9.9 (Critical) CVSS 3.1


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

Class

Code vulnerability

Status

Confirmed by the vendor

Exploitation

Spoofing

Incidents

Being clarified

Remediation

Software update

CWE

CWE-444 - Непоследовательная интерпретация HTTP-запросов ('Контрабанда HTTP-запросов')

Aliases

CVE-2025-55315

References

9 references

URL
https://andrewlock.net/understanding-the-worst-dotnet-vulnerability-request-smu…
https://gist.github.com/N3mes1s/d0897c13ca199e739ecc2b562f466040
https://github.com/7huukdlnkjkjba/CVE-2025-55315-
https://github.com/dotnet/announcements/issues/371
https://github.com/dotnet/aspnetcore
https://github.com/dotnet/aspnetcore/security/advisories/GHSA-5rrx-jjjq-q2r5
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-55315
https://nvd.nist.gov/vuln/detail/CVE-2025-55315
https://redos.red-soft.ru/support/secure/uyazvimosti/mnozhestvennye-uyazvimosti…

Impacted products

3 products from 2 vendors

Vendors

ООО «Ред Софт», Microsoft Corp

Products

РЕД ОС (запись в едином реестре российских программ №3751), Microsoft Visual Studio 2022, ASP.NET Core

Versions

7.3 (РЕД ОС), от 17.14 до 17.14.17 (Microsoft Visual Studio 2022), от 17.10 до 17.10.20 (Microsoft Visual Studio 2022), от 17.12 до 17.12.13 (Microsoft Visual Studio 2022), от 6.0.0 до 6.0.36 включительно (ASP.NET Core), от 8.0.0 до 8.0.20 включительно (ASP.NET Core), от 9.0.0 до 9.0.9 включительно (ASP.NET Core)

Product types

Operating system, Application software

Platforms

ООО «Ред Софт» РЕД ОС 7.3 (запись в едином реестре российских программ №3751)

Mitigations

Использование рекомендаций производителя: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-55315 Для РЕД ОС: https://redos.red-soft.ru/support/secure/uyazvimosti/mnozhestvennye-uyazvimosti-dotnet-sdk-8-0-cve-2025-55247-cve-2025-55248-cve-2025-55315/?sphrase_id=1338954

Remediation

TO2322 Обновление .NET 8.0 (компонент ASP.NET Core Runtime 8.0.21) (KB5068331), TO2323 Обновление .NET 8.0 (компонент ASP.NET Core Runtime 8.0.21) (KB5068331), TO2324 Обновление .NET 8.0 (компонент ASP.NET Core Runtime 8.0.21) (KB5068331), TO2325 Обновление .NET 9.0 (компонент ASP.NET Core Runtime 9.0.10) (KB5068332)

JSON

To clipboard

{
  "CVSS 2.0": "AV:N/AC:L/Au:S/C:C/I:C/A:P",
  "CVSS 3.0": "AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:L",
  "CVSS 4.0": null,
  "remediation_\u0418\u0434\u0435\u043d\u0442\u0438\u0444\u0438\u043a\u0430\u0442\u043e\u0440": "TO2322, TO2323, TO2324, TO2325",
  "remediation_\u041d\u0430\u0438\u043c\u0435\u043d\u043e\u0432\u0430\u043d\u0438\u0435": "TO2322 \u041e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u0435 .NET 8.0 (\u043a\u043e\u043c\u043f\u043e\u043d\u0435\u043d\u0442 ASP.NET Core Runtime 8.0.21) (KB5068331), TO2323 \u041e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u0435 .NET 8.0 (\u043a\u043e\u043c\u043f\u043e\u043d\u0435\u043d\u0442 ASP.NET Core Runtime 8.0.21) (KB5068331), TO2324 \u041e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u0435 .NET 8.0 (\u043a\u043e\u043c\u043f\u043e\u043d\u0435\u043d\u0442 ASP.NET Core Runtime 8.0.21) (KB5068331), TO2325 \u041e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u0435 .NET 9.0 (\u043a\u043e\u043c\u043f\u043e\u043d\u0435\u043d\u0442 ASP.NET Core Runtime 9.0.10) (KB5068332)",
  "\u0412\u0435\u043d\u0434\u043e\u0440 \u041f\u041e": "\u041e\u041e\u041e \u00ab\u0420\u0435\u0434 \u0421\u043e\u0444\u0442\u00bb, Microsoft Corp",
  "\u0412\u0435\u0440\u0441\u0438\u044f \u041f\u041e": "7.3 (\u0420\u0415\u0414 \u041e\u0421), \u043e\u0442 17.14 \u0434\u043e 17.14.17 (Microsoft Visual Studio 2022), \u043e\u0442 17.10 \u0434\u043e 17.10.20 (Microsoft Visual Studio 2022), \u043e\u0442 17.12 \u0434\u043e 17.12.13 (Microsoft Visual Studio 2022), \u043e\u0442 6.0.0 \u0434\u043e 6.0.36 \u0432\u043a\u043b\u044e\u0447\u0438\u0442\u0435\u043b\u044c\u043d\u043e (ASP.NET Core), \u043e\u0442 8.0.0 \u0434\u043e 8.0.20 \u0432\u043a\u043b\u044e\u0447\u0438\u0442\u0435\u043b\u044c\u043d\u043e (ASP.NET Core), \u043e\u0442 9.0.0 \u0434\u043e 9.0.9 \u0432\u043a\u043b\u044e\u0447\u0438\u0442\u0435\u043b\u044c\u043d\u043e (ASP.NET Core)",
  "\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://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-55315\n\n\u0414\u043b\u044f \u0420\u0415\u0414 \u041e\u0421:\nhttps://redos.red-soft.ru/support/secure/uyazvimosti/mnozhestvennye-uyazvimosti-dotnet-sdk-8-0-cve-2025-55247-cve-2025-55248-cve-2025-55315/?sphrase_id=1338954",
  "\u0414\u0430\u0442\u0430 \u0432\u044b\u044f\u0432\u043b\u0435\u043d\u0438\u044f": "15.10.2025",
  "\u0414\u0430\u0442\u0430 \u043f\u043e\u0441\u043b\u0435\u0434\u043d\u0435\u0433\u043e \u043e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u044f": "26.11.2025",
  "\u0414\u0430\u0442\u0430 \u043f\u0443\u0431\u043b\u0438\u043a\u0430\u0446\u0438\u0438": "22.10.2025",
  "\u0418\u0434\u0435\u043d\u0442\u0438\u0444\u0438\u043a\u0430\u0442\u043e\u0440": "BDU:2025-13247",
  "\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-2025-55315",
  "\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": "\u0420\u0415\u0414 \u041e\u0421 (\u0437\u0430\u043f\u0438\u0441\u044c \u0432 \u0435\u0434\u0438\u043d\u043e\u043c \u0440\u0435\u0435\u0441\u0442\u0440\u0435 \u0440\u043e\u0441\u0441\u0438\u0439\u0441\u043a\u0438\u0445 \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c \u21163751), Microsoft Visual Studio 2022, ASP.NET Core",
  "\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": "\u041e\u041e\u041e \u00ab\u0420\u0435\u0434 \u0421\u043e\u0444\u0442\u00bb \u0420\u0415\u0414 \u041e\u0421 7.3  (\u0437\u0430\u043f\u0438\u0441\u044c \u0432 \u0435\u0434\u0438\u043d\u043e\u043c \u0440\u0435\u0435\u0441\u0442\u0440\u0435 \u0440\u043e\u0441\u0441\u0438\u0439\u0441\u043a\u0438\u0445 \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c \u21163751)",
  "\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\u0439 \u043f\u043b\u0430\u0442\u0444\u043e\u0440\u043c\u044b ASP.NET Core, \u0441\u0432\u044f\u0437\u0430\u043d\u043d\u0430\u044f \u0441 \u043d\u0435\u0434\u043e\u0441\u0442\u0430\u0442\u043a\u0430\u043c\u0438 \u043e\u0431\u0440\u0430\u0431\u043e\u0442\u043a\u0438 HTTP-\u0437\u0430\u043f\u0440\u043e\u0441\u043e\u0432, \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 \u043e\u0433\u0440\u0430\u043d\u0438\u0447\u0435\u043d\u0438\u044f \u0431\u0435\u0437\u043e\u043f\u0430\u0441\u043d\u043e\u0441\u0442\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\u043e\u0441\u043b\u0435\u0434\u043e\u0432\u0430\u0442\u0435\u043b\u044c\u043d\u0430\u044f \u0438\u043d\u0442\u0435\u0440\u043f\u0440\u0435\u0442\u0430\u0446\u0438\u044f HTTP-\u0437\u0430\u043f\u0440\u043e\u0441\u043e\u0432 (\u0027\u041a\u043e\u043d\u0442\u0440\u0430\u0431\u0430\u043d\u0434\u0430 HTTP-\u0437\u0430\u043f\u0440\u043e\u0441\u043e\u0432\u0027) (CWE-444)",
  "\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\u0439 \u043f\u043b\u0430\u0442\u0444\u043e\u0440\u043c\u044b ASP.NET Core \u0441\u0432\u044f\u0437\u0430\u043d\u0430 \u0441 \u043d\u0435\u0434\u043e\u0441\u0442\u0430\u0442\u043a\u0430\u043c\u0438 \u043e\u0431\u0440\u0430\u0431\u043e\u0442\u043a\u0438 HTTP-\u0437\u0430\u043f\u0440\u043e\u0441\u043e\u0432. \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 \u043e\u0433\u0440\u0430\u043d\u0438\u0447\u0435\u043d\u0438\u044f \u0431\u0435\u0437\u043e\u043f\u0430\u0441\u043d\u043e\u0441\u0442\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://andrewlock.net/understanding-the-worst-dotnet-vulnerability-request-smuggling-and-cve-2025-55315/\nhttps://gist.github.com/N3mes1s/d0897c13ca199e739ecc2b562f466040\nhttps://github.com/7huukdlnkjkjba/CVE-2025-55315-\nhttps://github.com/dotnet/announcements/issues/371\nhttps://github.com/dotnet/aspnetcore\nhttps://github.com/dotnet/aspnetcore/security/advisories/GHSA-5rrx-jjjq-q2r5\nhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-55315\nhttps://nvd.nist.gov/vuln/detail/CVE-2025-55315\nhttps://redos.red-soft.ru/support/secure/uyazvimosti/mnozhestvennye-uyazvimosti-dotnet-sdk-8-0-cve-2025-55247-cve-2025-55248-cve-2025-55315/?sphrase_id=1338954",
  "\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, \u041f\u0440\u0438\u043a\u043b\u0430\u0434\u043d\u043e\u0435 \u041f\u041e \u0438\u043d\u0444\u043e\u0440\u043c\u0430\u0446\u0438\u043e\u043d\u043d\u044b\u0445 \u0441\u0438\u0441\u0442\u0435\u043c",
  "\u0422\u0438\u043f \u043e\u0448\u0438\u0431\u043a\u0438 CWE": "CWE-444",
  "\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": "\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 2.0 \u0441\u043e\u0441\u0442\u0430\u0432\u043b\u044f\u0435\u0442 8,7)\n\u041a\u0440\u0438\u0442\u0438\u0447\u0435\u0441\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 9,9)\n\u041d\u0435\u0442 \u043e\u043f\u0430\u0441\u043d\u043e\u0441\u0442\u0438 \u0443\u0440\u043e\u0432\u0435\u043d\u044c \u043e\u043f\u0430\u0441\u043d\u043e\u0441\u0442\u0438 (\u043e\u0446\u0435\u043d\u043a\u0430 CVSS 4.0 \u0441\u043e\u0441\u0442\u0430\u0432\u043b\u044f\u0435\u0442 0)"
}

CVE-2025-55315 (GCVE-0-2025-55315)

Vulnerability from cvelistv5 – Published: 2025-10-14 17:00 – Updated: 2026-02-22 17:24

Title

ASP.NET Security Feature Bypass Vulnerability

Summary

Inconsistent interpretation of http requests ('http request/response smuggling') in ASP.NET Core allows an authorized attacker to bypass a security feature over a network.

Severity

9.9 (Critical)


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

SSVC

Exploitation: poc Automatable: no Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2025-10-28 12:57 UTC

CWE

CWE-444 - Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling')

Assigner

microsoft mitre root Scorecard

References

3 references

URL	Tags
https://msrc.microsoft.com/update-guide/vulnerabi…	vendor-advisorypatch
https://gist.github.com/N3mes1s/d0897c13ca199e739…	exploit
https://andrewlock.net/understanding-the-worst-do…

Impacted products

6 products

Vendor	Product	Version
Microsoft	ASP.NET Core 2.3	Affected: 2.3 , < 2.3.6 (custom)
Microsoft	ASP.NET Core 8.0	Affected: 8.0 , < 8.0.21 (custom)
Microsoft	ASP.NET Core 9.0	Affected: 9.0 , < 9.0.10 (custom)
Microsoft	Microsoft Visual Studio 2022 version 17.10	Affected: 17.10.0 , < 17.10.20 (custom)
Microsoft	Microsoft Visual Studio 2022 version 17.12	Affected: 17.12.0 , < 17.12.13 (custom)
Microsoft	Microsoft Visual Studio 2022 version 17.14	Affected: 17.14.0 , < 17.14.17 (custom)

Date Public

2025-10-14 14:00

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2025-55315",
                "options": [
                  {
                    "Exploitation": "poc"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-10-28T12:57:54.225931Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2025-10-28T12:57:58.619Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "references": [
          {
            "tags": [
              "exploit"
            ],
            "url": "https://gist.github.com/N3mes1s/d0897c13ca199e739ecc2b562f466040"
          }
        ],
        "title": "CISA ADP Vulnrichment"
      },
      {
        "providerMetadata": {
          "dateUpdated": "2025-10-28T20:12:31.181Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "url": "https://andrewlock.net/understanding-the-worst-dotnet-vulnerability-request-smuggling-and-cve-2025-55315/"
          }
        ],
        "title": "CVE Program Container",
        "x_generator": {
          "engine": "ADPogram 0.0.1"
        }
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "ASP.NET Core 2.3",
          "vendor": "Microsoft",
          "versions": [
            {
              "lessThan": "2.3.6",
              "status": "affected",
              "version": "2.3",
              "versionType": "custom"
            }
          ]
        },
        {
          "product": "ASP.NET Core 8.0",
          "vendor": "Microsoft",
          "versions": [
            {
              "lessThan": "8.0.21",
              "status": "affected",
              "version": "8.0",
              "versionType": "custom"
            }
          ]
        },
        {
          "product": "ASP.NET Core 9.0",
          "vendor": "Microsoft",
          "versions": [
            {
              "lessThan": "9.0.10",
              "status": "affected",
              "version": "9.0",
              "versionType": "custom"
            }
          ]
        },
        {
          "product": "Microsoft Visual Studio 2022 version 17.10",
          "vendor": "Microsoft",
          "versions": [
            {
              "lessThan": "17.10.20",
              "status": "affected",
              "version": "17.10.0",
              "versionType": "custom"
            }
          ]
        },
        {
          "product": "Microsoft Visual Studio 2022 version 17.12",
          "vendor": "Microsoft",
          "versions": [
            {
              "lessThan": "17.12.13",
              "status": "affected",
              "version": "17.12.0",
              "versionType": "custom"
            }
          ]
        },
        {
          "product": "Microsoft Visual Studio 2022 version 17.14",
          "vendor": "Microsoft",
          "versions": [
            {
              "lessThan": "17.14.17",
              "status": "affected",
              "version": "17.14.0",
              "versionType": "custom"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:a:microsoft:asp.net_core:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "8.0.21",
                  "versionStartIncluding": "8.0",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:a:microsoft:asp.net_core:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "9.0.10",
                  "versionStartIncluding": "9.0",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:a:microsoft:asp.net_core:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "2.3.6",
                  "versionStartIncluding": "2.3",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:a:microsoft:visual_studio_2022:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "17.12.13",
                  "versionStartIncluding": "17.12.0",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:a:microsoft:visual_studio_2022:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "17.10.20",
                  "versionStartIncluding": "17.10.0",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:a:microsoft:visual_studio_2022:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "17.14.17",
                  "versionStartIncluding": "17.14.0",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "datePublic": "2025-10-14T14:00:00.000Z",
      "descriptions": [
        {
          "lang": "en-US",
          "value": "Inconsistent interpretation of http requests (\u0027http request/response smuggling\u0027) in ASP.NET Core allows an authorized attacker to bypass a security feature over a network."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "baseScore": 9.9,
            "baseSeverity": "CRITICAL",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:L/E:U/RL:O/RC:C",
            "version": "3.1"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en-US",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-444",
              "description": "CWE-444: Inconsistent Interpretation of HTTP Requests (\u0027HTTP Request/Response Smuggling\u0027)",
              "lang": "en-US",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-02-22T17:24:12.183Z",
        "orgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
        "shortName": "microsoft"
      },
      "references": [
        {
          "name": "ASP.NET Security Feature Bypass Vulnerability",
          "tags": [
            "vendor-advisory",
            "patch"
          ],
          "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-55315"
        }
      ],
      "title": "ASP.NET Security Feature Bypass Vulnerability"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
    "assignerShortName": "microsoft",
    "cveId": "CVE-2025-55315",
    "datePublished": "2025-10-14T17:00:10.371Z",
    "dateReserved": "2025-08-12T20:19:59.422Z",
    "dateUpdated": "2026-02-22T17:24:12.183Z",
    "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:2025-13247 (CVE-2025-55315)

CVE-2025-55315 (GCVE-0-2025-55315)

Tags

Sightings

Nomenclature

Related by attack behaviour