Auth bypass in Jenkins Role-Based Authorization Strategy
CVE-2021-21624
An incorrect permission check in Jenkins Role-based Authorization Strategy Plugin 3.1 and earlier allows attackers with Item/Read permission on nested items to access them, even if they lack Item/Read permission for parent folders.
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: 0.009 (57.4th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 57th percentile — 57.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: 0.000
Affected products
Weakness classification (CWE)
References
- www.jenkins.io/security/advisory/2021-03-18/ (Vendor Advisory)
- www.openwall.com/lists/oss-security/2021/03/18/5 (mailing-list, Third Party Advisory)
Frequently asked questions
- What is CVE-2021-21624?
- CVE-2021-21624 is a medium-severity vulnerability in Jenkins Role-Based Authorization Strategy, classified under Incorrect Authorization. CVSS score: 4.3/10. Published 2021-03-18.
- How severe is CVE-2021-21624?
- Medium severity. CVSS v3 base score is 4.3 out of 10.