Deadlock in Windows Server - CVE-2025-21313

 

Deadlock in Windows Server - CVE-2025-21313

Published: January 14, 2025


Vulnerability identifier: #VU102698
CSH Severity: Medium
CVSS v4: 7.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2025-21313
CWE-ID: CWE-833
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a deadlock issue in Windows Security Account Manager (SAM). A remote user can cause a denial of service condition on the target system.


Affected software

Windows Server

How to mitigate CVE-2025-21313

Install updates from vendor's website.

Windows Server - addressed in versions 2016 10.0.14393.7785, 2022 23H2 10.0.25398.1369, 2025 10.0.26100.2894

External References

Related Security Bulletins