XSS in Jenkins Build Failure Analyzer
CVE-2020-2244
Jenkins Build Failure Analyzer Plugin 1.27.0 and earlier does not escape matching text in a form validation response, resulting in a cross-site scripting (XSS) vulnerability exploitable by attackers able to provide console output for builds used to test build log indications.
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 (53.2th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 53rd percentile — 53.2% 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 Build Failure Analyzer
- Jenkins Project Build Failure Analyzer Plugin — versions unspecified
Weakness classification (CWE)
Public proof-of-concept exploits
References
- jenkins.io/security/advisory/2020-09-01/ (Vendor Advisory)
- www.openwall.com/lists/oss-security/2020/09/01/3 (mailing-list, Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2020-2244?
- CVE-2020-2244 is a medium-severity vulnerability in Jenkins Build Failure Analyzer, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2020-09-01.
- How severe is CVE-2020-2244?
- Medium severity. CVSS v3 base score is 5.4 out of 10.
- Is CVE-2020-2244 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.