What is CVE-2025-24399?

CVE-2025-24399 is a high-severity vulnerability in Jenkins Openid_connect_authentication, classified under Incorrect Default Permissions. CVSS score: 8.8/10. Published 2025-01-22.

How severe is CVE-2025-24399?

High severity. CVSS v3 base score is 8.8 out of 10.

Vulnerability in Jenkins Openid_connect_authentication

CVE-2025-24399

Jenkins OpenId Connect Authentication Plugin 4.452.v2849b_d3945fa_ and earlier, except 4.438.440.v3f5f201de5dc, treats usernames as case-insensitive, allowing attackers on Jenkins instances configured with a case-sensitive OpenID Connect p…

EPSS: 0.005 (40.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Jenkins Openid_connect_authentication
Jenkins Project Openid Connect Authentication Plugin — versions 4.453.v4d7765c854f4, 4.438.440.v3f5f201de5dc

Weakness classification (CWE)

CWE-276 — Incorrect Default Permissions

References

jenkinsci-cert@googlegroups.com (vendor-advisory, Vendor Advisory)

Frequently asked questions

What is CVE-2025-24399?: CVE-2025-24399 is a high-severity vulnerability in Jenkins Openid_connect_authentication, classified under Incorrect Default Permissions. CVSS score: 8.8/10. Published 2025-01-22.
How severe is CVE-2025-24399?: High severity. CVSS v3 base score is 8.8 out of 10.