Main Vulnerability Database Vulnerabilities #VU59491

Security features bypass in Microsoft Windows and Windows Server - CVE-2022-21900

Published: January 11, 2022

Vulnerability identifier: #VU59491

CSH Severity: Low

CVSS v4: 5.1 [CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N]

CVE-ID: CVE-2022-21900

CWE-ID: CWE-254

Exploitation vector: Adjecent network

Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote user to bypass implemented security restrictions.

The vulnerability exists due to unspecified error in Hyper-V, related to Router Guard. A remote authenticated user can send specially crafted input to the system and bypass implemented security restrictions.

Affected software

Microsoft Windows
Windows Server

How to mitigate CVE-2022-21900

Install updates from vendor's website.

External References

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2022-21900

Related Security Bulletins