Auth bypass in Jenkins
CVE-2025-31721
A missing permission check in Jenkins 2.503 and earlier, LTS 2.492.2 and earlier allows attackers with Computer/Create permission but without Computer/Configure permission to copy an agent, gaining access to encrypted secrets in its configuration.
Vulnerability class: Broken Access Control
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.
EPSS exploit prediction
EPSS: 0.004 (29.1th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 29th percentile — 29.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000
Affected products
- Jenkins
- Jenkins Project — versions 2.492.3, 2.504
Weakness classification (CWE)
References
- www.jenkins.io/security/advisory/2025-04-02/ (vendor-advisory, Vendor Advisory)
Frequently asked questions
- What is CVE-2025-31721?
- CVE-2025-31721 is a medium-severity vulnerability in Jenkins, classified under Missing Authorization. CVSS score: 4.3/10. Published 2025-04-02.
- How severe is CVE-2025-31721?
- Medium severity. CVSS v3 base score is 4.3 out of 10.