🛡️ CVE-2021-21639 — jenkins
Description
Lack of type validation in agent related REST API in Jenkins
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.
This allows attackers with Computer/Configure permission to replace a node with one of a different type.
Jenkins 2.287, LTS 2.277.2 validates the type of object created and rejects objects of unexpected types.
Affected software
CVE-2021-21639 is recorded against 2 packages.
- jenkins
- org.jenkins-ci.main:jenkins-core (from 2.278 up to 2.287)
Timeline and source
Published on 6 March 2024 and last revised on 3 April 2025. No public exploit is currently recorded for this entry. Record sourced from OSV.
References
www.openwall.com (Web)
www.jenkins.io (Web)
nvd.nist.gov (Web)
Details
Affected Packages
| Software | From version | Fixed in |
|---|---|---|
| jenkins | — | — |
| org.jenkins-ci.main:jenkins-core | 2.278 | 2.287 |
References
Similar Threats
- Unknown CGA-6g73-q3c3-92w7
- Unknown CGA-7235-w595-g588
- Unknown CGA-8fh2-rcx7-55xv
- Unknown CGA-8hr7-6c5h-m383
- Unknown CGA-8mhg-rvh5-jcp3
More CVE 2021 advisories
Browse all of CVE 2021 in the advisory index.
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