Auth bypass in Jenkins Script Security
CVE-2019-16538
A sandbox bypass vulnerability in Jenkins Script Security Plugin 1.67 and earlier related to the handling of default parameter expressions in closures allowed attackers to execute arbitrary code in sandboxed scripts.
Vulnerability class: Broken Access Control
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.014 (71.9th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 72nd percentile — 71.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.014 · newest: 0.014 · change: 0.000
Affected products
- Jenkins Script Security
- Jenkins Project Script Security Plugin — versions 1.67 and earlier
Weakness classification (CWE)
Public proof-of-concept exploits
References
- jenkins.io/security/advisory/2019-11-21/ (Vendor Advisory)
- www.openwall.com/lists/oss-security/2019/11/21/1 (mailing-list, Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2019-16538?
- CVE-2019-16538 is a high-severity vulnerability in Jenkins Script Security, classified under Incorrect Authorization. CVSS score: 8.8/10. Published 2019-11-21.
- How severe is CVE-2019-16538?
- High severity. CVSS v3 base score is 8.8 out of 10.
- Is CVE-2019-16538 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.