XXE in Jenkins Config File Provider
CVE-2021-21642
Jenkins Config File Provider Plugin 3.7.0 and earlier does not configure its XML parser to prevent XML external entity (XXE) attacks.
Vulnerability class: XXE (XML External Entity)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N.
EPSS exploit prediction
EPSS: 0.378 (98.5th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 98th percentile — 98.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.378 · newest: 0.378 · change: 0.000
Affected products
- Jenkins Config File Provider
- Jenkins Project Config File Provider Plugin — versions unspecified
Weakness classification (CWE)
References
- www.jenkins.io/security/advisory/2021-04-21/ (Vendor Advisory)
- www.openwall.com/lists/oss-security/2021/04/21/2 (mailing-list, Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2021-21642?
- CVE-2021-21642 is a high-severity vulnerability in Jenkins Config File Provider, classified under Improper Restriction of XML External Entity Reference (XXE). CVSS score: 8.1/10. Published 2021-04-21.
- How severe is CVE-2021-21642?
- High severity. CVSS v3 base score is 8.1 out of 10.