CVSS 3.1
5.3 mediumCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:NCVE-2021-21615
Medium (5.3) in jenkins jenkins. EPSS 0.9% chance of exploitation in the next 30 days. Fixed in org.jenkins-ci.main:jenkins-core 2.263.3, 2.276.
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.
Severity
- EPSS
- 0.9% chance of exploitation in the next 30 days; higher than 59% of CVEs (scores of 2026-10-31)
- CWE
- CWE-367
- Published
- Modified
- Record from
- the NVD, synced
Affected
- jenkins:jenkins
Packages (OSV)
| Advisory | Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|---|
| GHSA-qxp6-27gw-99cj | Maven | org.jenkins-ci.main:jenkins-core | <2.263.3 | 2.263.3 |
| GHSA-qxp6-27gw-99cj | Maven | org.jenkins-ci.main:jenkins-core | >=2.264 <2.276 | 2.276 |