Security features bypass in Windows Server - CVE-2021-33779

 

Security features bypass in Windows Server - CVE-2021-33779

Published: July 13, 2021


Vulnerability identifier: #VU54834
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2021-33779
CWE-ID: CWE-254
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Microsoft
Affected software:
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 Windows ADFS. A remote authenticated attacker can gain elevated privileges on the target system.


How to mitigate CVE-2021-33779

Install updates from vendor's website.

Sources