CVSS 3.1
4.3 mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:NCVE-2021-21606
Medium (4.3) in jenkins jenkins. EPSS 1.2% chance of exploitation in the next 30 days. Fixed in org.jenkins-ci.main:jenkins-core 2.263.2, 2.275.
Jenkins 2.274 and earlier, LTS 2.263.1 and earlier improperly validates the format of a provided fingerprint ID when checking for its existence allowing an attacker to check for the existence of XML files with a short path.
Severity
- EPSS
- 1.2% chance of exploitation in the next 30 days; higher than 68% of CVEs (scores of 2026-10-31)
- CWE
- CWE-20
- Published
- Modified
- Record from
- the NVD, synced
Affected
- jenkins:jenkins
Packages (OSV)
| Advisory | Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|---|
| GHSA-f585-9fw3-rj2m | Maven | org.jenkins-ci.main:jenkins-core | <2.263.2 | 2.263.2 |
| GHSA-f585-9fw3-rj2m | Maven | org.jenkins-ci.main:jenkins-core | >=2.264 <2.275 | 2.275 |