Improper Handling of Case Sensitivity in OpenId Connect Authentication - CVE-2025-24399
Published: January 23, 2025
Vulnerability identifier: #VU103263
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-2025-24399
CWE-ID: CWE-178
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Jenkins
Affected software:
OpenId Connect Authentication
OpenId Connect Authentication
Detailed vulnerability description
The vulnerability allows a remote attacker to compromise the target system.
The vulnerability exists due to improper handling of case sensitivity. A remote user can log in as any user by providing a username that differs only in letter case and gain administrator access to Jenkins.
How to mitigate CVE-2025-24399
Install update from vendor's website.