CVE-2021-40456

Windows AD FS Security Feature Bypass Vulnerability

State: Published
Severity: 5.3 Medium
Published: Oct 13, 2021
Updated: Aug 4, 2024
Reserved: Sep 2, 2021

Description

Windows AD FS Security Feature Bypass Vulnerability

Scores

CVSS	Score	Vector	Source
3.1	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	microsoft

Weaknesses

CWE-863 Incorrect Authorization

Affected Products

Product	Versions
Windows Server 2019Microsoft	10.0.0 to before 10.0.17763.2237Affected
Windows Server 2019 (Server Core installation)Microsoft	10.0.0 to before 10.0.17763.2237Affected
Windows Server 2022Microsoft	10.0.0 to before 10.0.20348.288Affected
Windows Server version 2004Microsoft	10.0.0 to before 10.0.19041.1288Affected
Windows Server version 20H2Microsoft	10.0.0 to before 10.0.19042.1288Affected

References

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-40456

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