High severity8.1NVD Advisory· Published Apr 21, 2021· Updated Jun 17, 2026
CVE-2021-21642
CVE-2021-21642
Description
Jenkins Config File Provider Plugin 3.7.0 and earlier does not configure its XML parser to prevent XML external entity (XXE) attacks.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
org.jenkins-ci.plugins:config-file-providerMaven | < 3.7.1 | 3.7.1 |
Affected products
3cpe:2.3:a:jenkins:config_file_provider:*:*:*:*:*:jenkins:*:*+ 1 more
- cpe:2.3:a:jenkins:config_file_provider:*:*:*:*:*:jenkins:*:*range: <=3.7.0
- (no CPE)range: unspecified
Patches
Vulnerability mechanics
References
5- www.openwall.com/lists/oss-security/2021/04/21/2nvdMailing ListThird Party AdvisoryWEB
- github.com/advisories/GHSA-q7xg-hh3q-hc68ghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2021-21642ghsaADVISORY
- www.jenkins.io/security/advisory/2021-04-21/nvdVendor AdvisoryWEB
- github.com/jenkinsci/config-file-provider-plugin/commit/5f845bc015be769e595088bab11ec36c767671e1ghsaWEB
News mentions
1- Jenkins Security Advisory 2021-04-21Jenkins Security Advisories · Apr 21, 2021