Critical severity9.1NVD Advisory· Published Nov 4, 2021· Updated Jun 17, 2026
CVE-2021-21697
CVE-2021-21697
Description
Jenkins 2.318 and earlier, LTS 2.303.2 and earlier allows any agent to read and write the contents of any build directory stored in Jenkins with very few restrictions.
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.main:jenkins-coreMaven | < 2.303.3 | 2.303.3 |
org.jenkins-ci.main:jenkins-coreMaven | >= 2.304, < 2.319 | 2.319 |
Affected products
5cpe:2.3:a:jenkins:jenkins:*:*:*:*:-:*:*:*+ 2 more
- cpe:2.3:a:jenkins:jenkins:*:*:*:*:-:*:*:*range: <=2.318
- cpe:2.3:a:jenkins:jenkins:*:*:*:*:lts:*:*:*range: <=2.303.2
- (no CPE)range: unspecified
- osv-coords2 versions
< 2.318.1+ 1 more
- (no CPE)range: < 2.318.1
- (no CPE)range: < 2.303.3
Patches
Vulnerability mechanics
References
6- www.jenkins.io/security/advisory/2021-11-04/nvdPatchVendor AdvisoryWEB
- www.openwall.com/lists/oss-security/2021/11/04/3nvdMailing ListThird Party AdvisoryWEB
- github.com/advisories/GHSA-cv2w-q8c3-xjv7ghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2021-21697ghsaADVISORY
- github.com/jenkinsci/jenkins/commit/cf388d2a04e6016d23eb93fa3cc804f2554b98f0ghsaWEB
- github.com/jenkinsci/jenkins/commit/eae33841b587da787f37d5b6c8451d483edc04d9ghsaWEB
News mentions
1- Jenkins Security Advisory 2021-11-04Jenkins Security Advisories · Nov 4, 2021