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)
EPSS: 0.378 (98.4th percentile) — read the EPSS interpretation.
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.
Affected products
- Jenkins Config_file_provider
- Jenkins Project Config File Provider Plugin — versions unspecified
Weakness classification (CWE)
References
- jenkinsci-cert@googlegroups.com (x_refsource_CONFIRM, Vendor Advisory)
- jenkinsci-cert@googlegroups.com (mailing-list, x_refsource_MLIST, 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.