CSRF in Microsoft Windows Server 2016

CVE-2025-21193

Active Directory Federation Server Spoofing Vulnerability

Vulnerability class: CSRF (Cross-Site Request Forgery)

EPSS: 0.007 (49.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2025-21193?
CVE-2025-21193 is a medium-severity vulnerability in Microsoft Windows Server 2016, classified under Cross-Site Request Forgery (CSRF). CVSS score: 6.5/10. Published 2025-01-14.
How severe is CVE-2025-21193?
Medium severity. CVSS v3 base score is 6.5 out of 10.