Security features bypass in Windows and Windows Server - CVE-2021-31962

 

Security features bypass in Windows and Windows Server - CVE-2021-31962

Published: June 8, 2021


Vulnerability identifier: #VU53918
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2021-31962
CWE-ID: CWE-254
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Microsoft
Affected software:
Windows
Windows Server

Detailed vulnerability description

The vulnerability allows a remote attacker to bypass authentication process.

The vulnerability exists due to security feature bypass issue in Kerberos AppContainer. A remote attacker can bypass Kerberos authentication.


How to mitigate CVE-2021-31962

Install updates from vendor's website.

Sources