Improper Input Validation The advisory has been revoked - it doesn't affect any version of package jenkins.src (opens in a new tab)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-RHEL10-JENKINSSRC-12614957
- published11 Sept 2025
- disclosed7 Apr 2021
Introduced: 7 Apr 2021
CVE-2021-21639 (opens in a new tab)Amendment
The Red Hat security team deemed this advisory irrelevant for RHEL:10.
NVD Description
Note: Versions mentioned in the description apply only to the upstream jenkins.src package and not the jenkins.src package as distributed by RHEL.
Jenkins 2.286 and earlier, LTS 2.277.1 and earlier does not validate the type of object created after loading the data submitted to the config.xml REST API endpoint of a node, allowing attackers with Computer/Configure permission to replace a node with one of a different type.