XSS in Jenkins Brakeman
CVE-2020-2122
Jenkins Brakeman Plugin 0.12 and earlier did not escape values received from parsed JSON files when rendering them, resulting in a stored cross-site scripting vulnerability exploitable by users able to control the Brakeman post-build step input data.
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.
EPSS exploit prediction
EPSS: 0.008 (55.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 56th percentile — 55.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: 0.000
Affected products
- Jenkins Brakeman
- Jenkins Project Brakeman Plugin — versions unspecified
Weakness classification (CWE)
Public proof-of-concept exploits
References
- jenkins.io/security/advisory/2020-02-12/ (Vendor Advisory)
- www.openwall.com/lists/oss-security/2020/02/12/3 (mailing-list, Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2020-2122?
- CVE-2020-2122 is a medium-severity vulnerability in Jenkins Brakeman, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2020-02-12.
- How severe is CVE-2020-2122?
- Medium severity. CVSS v3 base score is 5.4 out of 10.
- Is CVE-2020-2122 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.