Main Vulnerability Database Vulnerabilities #VU57314

#VU57314 Security features bypass in Windows Server - CVE-2021-40456

Published: October 12, 2021

Vulnerability identifier: #VU57314

Vulnerability risk: Medium

CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green

CVE-ID: CVE-2021-40456

CWE-ID: CWE-254

Exploitation vector: Remote access

Exploit availability: No public exploit available

Vulnerable software:
Windows Server

Software vendor:
Microsoft

Description

The vulnerability allows a remote attacker to bypass authentication process.

The vulnerability exists due to security feature bypass issue in Windows AD FS. A remote attacker can gain access to encrypted data.

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