XXE in Jenkins Pom2config
CVE-2021-43576
Jenkins pom2config Plugin 1.2 and earlier does not configure its XML parser to prevent XML external entity (XXE) attacks, allowing attackers with Overall/Read and Item/Read permissions to have Jenkins parse a crafted XML file that uses external entities for extraction of secrets from the Jenkins controller or server-side request forgery.
Vulnerability class: XXE (XML External Entity)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.024 (83.8th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 84th percentile — 83.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.024 · newest: 0.024 · change: +0.001
Affected products
- Jenkins Pom2config
- Jenkins Project Pom2config Plugin — versions unspecified, next of 1.2
Weakness classification (CWE)
References
- www.jenkins.io/security/advisory/2021-11-12/ (Vendor Advisory)
- www.openwall.com/lists/oss-security/2021/11/12/1 (mailing-list, Mailing List, Third Party Advisory)
- www.zerodayinitiative.com/advisories/ZDI-21-1314/ (VDB Entry, Third Party Advisory)
Frequently asked questions
- What is CVE-2021-43576?
- CVE-2021-43576 is a medium-severity vulnerability in Jenkins Pom2config, classified under Improper Restriction of XML External Entity Reference (XXE). CVSS score: 6.5/10. Published 2021-11-12.
- How severe is CVE-2021-43576?
- Medium severity. CVSS v3 base score is 6.5 out of 10.