Security features bypass in Windows - CVE-2021-34466

 

Security features bypass in Windows - CVE-2021-34466

Published: July 13, 2021


Vulnerability identifier: #VU54837
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:P/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2021-34466
CWE-ID: CWE-254
Exploitation vector: Local access
Exploit availability: No public exploit available
Vendor: Microsoft
Affected software:
Windows

Detailed vulnerability description

The vulnerability allows a local attacker to bypass authentication process.

The vulnerability exists due to security feature bypass issue in Windows Hello. An attacker with physical access can gain elevated privileges on the target system.


How to mitigate CVE-2021-34466

Install updates from vendor's website.

Sources