Security features bypass in Windows and Windows Server - CVE-2021-33744

 

Security features bypass in Windows and Windows Server - CVE-2021-33744

Published: July 13, 2021


Vulnerability identifier: #VU54828
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:P/PR:H/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2021-33744
CWE-ID: CWE-254
Exploitation vector: Local access
Exploit availability: No public exploit available
Vendor: Microsoft
Affected software:
Windows
Windows Server

Detailed vulnerability description

The vulnerability allows a local user to bypass authentication process.

The vulnerability exists due to security feature bypass issue in Windows Secure Kernel Mode. A local administrator can gain elevated privileges on the target system.


How to mitigate CVE-2021-33744

Install updates from vendor's website.

Sources