Medium severity5.3NVD Advisory· Published Jan 26, 2021· Updated Jun 17, 2026
CVE-2021-21615
CVE-2021-21615
Description
Jenkins 2.275 and LTS 2.263.2 allows reading arbitrary files using the file browser for workspaces and archived artifacts due to a time-of-check to time-of-use (TOCTOU) race condition.
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 | < 2.263.3 | 2.263.3 |
org.jenkins-ci.main:jenkins-coreMaven | >= 2.264, < 2.276 | 2.276 |
Affected products
5cpe:2.3:a:jenkins:jenkins:*:*:*:*:-:*:*:*+ 2 more
- cpe:2.3:a:jenkins:jenkins:*:*:*:*:-:*:*:*range: <2.276
- cpe:2.3:a:jenkins:jenkins:*:*:*:*:lts:*:*:*range: <2.263.3
- (no CPE)range: 2.275
- osv-coords2 versions
< 2.276.0+ 1 more
- (no CPE)range: < 2.276.0
- (no CPE)range: < 2.263.3
Patches
Vulnerability mechanics
References
4- www.openwall.com/lists/oss-security/2021/01/26/2nvdMailing ListThird Party AdvisoryWEB
- github.com/advisories/GHSA-qxp6-27gw-99cjghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2021-21615ghsaADVISORY
- www.jenkins.io/security/advisory/2021-01-26/nvdVendor AdvisoryWEB
News mentions
1- Jenkins Security Advisory 2021-01-26Jenkins Security Advisories · Jan 26, 2021