Improper Authentication in Windows Server - CVE-2025-27740
Published: April 8, 2025
Vulnerability identifier: #VU107241
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2025-27740
CWE-ID: CWE-287
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Microsoft
Affected software:
Windows Server
Windows Server
Detailed vulnerability description
The vulnerability allows a remote attacker to bypass authentication process.
The vulnerability exists due to an error when processing authentication requests in Active Directory Certificate Services. A remote user can bypass authentication process and gain unauthorized access to the application.
How to mitigate CVE-2025-27740
Install update from vendor's website.