Main Vulnerability Database Vulnerabilities #VU52137

Security features bypass in Microsoft Windows and Windows Server - CVE-2021-28444

Published: April 13, 2021

Vulnerability identifier: #VU52137

CSH Severity: Low

CVSS v4: 6.9 [CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N]

CVE-ID: CVE-2021-28444

CWE-ID: CWE-254

Exploitation vector: Adjecent network

Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to bypass authentication process.

The vulnerability exists due to a security feature bypass issue in Windows Hyper-V. A remote attacker on the local network can gain elevated privileges on the target system.

Affected software

Microsoft Windows
Windows Server

How to mitigate CVE-2021-28444

Install updates from vendor's website.

External References

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-28444

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