CVSS 3.1
9.8 criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HCVE-2021-21691
Critical (9.8) in jenkins jenkins. EPSS 2.1% chance of exploitation in the next 30 days. Fixed in org.jenkins-ci.main:jenkins-core 2.303.3, 2.319.
Creating symbolic links is possible without the 'symlink' agent-to-controller access control permission in Jenkins 2.318 and earlier, LTS 2.303.2 and earlier.
Severity
- EPSS
- 2.1% chance of exploitation in the next 30 days; higher than 81% of CVEs (scores of 2026-10-31)
- CWE
- CWE-59
- Published
- Modified
- Record from
- the NVD, synced
Affected
- jenkins:jenkins
Packages (OSV)
| Advisory | Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|---|
| GHSA-2c79-h2h5-g3fw | Maven | org.jenkins-ci.main:jenkins-core | <2.303.3 | 2.303.3 |
| GHSA-2c79-h2h5-g3fw | Maven | org.jenkins-ci.main:jenkins-core | >=2.304 <2.319 | 2.319 |