CVSS 3.1
8.0 highCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:HCVE-2021-21604
High (8.0) in jenkins jenkins. EPSS 1.7% 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 allows attackers with permission to create or configure various objects to inject crafted content into Old Data Monitor that results in the instantiation of potentially unsafe objects once discarded by an administrator.
Severity
- EPSS
- 1.7% chance of exploitation in the next 30 days; higher than 77% of CVEs (scores of 2026-10-31)
- CWE
- CWE-502
- Published
- Modified
- Record from
- the NVD, synced
Affected
- jenkins:jenkins
Packages (OSV)
| Advisory | Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|---|
| GHSA-qv6f-rcv6-6q3x | Maven | org.jenkins-ci.main:jenkins-core | <2.263.2 | 2.263.2 |
| GHSA-qv6f-rcv6-6q3x | Maven | org.jenkins-ci.main:jenkins-core | >=2.264 <2.275 | 2.275 |