cve.bz

CVE-2021-21690

9.8 criticalEPSS 2.5%

Critical (9.8) in jenkins jenkins. EPSS 2.5% chance of exploitation in the next 30 days. Fixed in org.jenkins-ci.main:jenkins-core 2.303.3, 2.319.

Agent processes are able to completely bypass file path filtering by wrapping the file operation in an agent file path in Jenkins 2.318 and earlier, LTS 2.303.2 and earlier.

Severity

CVSS 3.1

9.8 critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
2.5% chance of exploitation in the next 30 days; higher than 84% of CVEs (scores of 2026-10-31)
CWE
CWE-22
Published
Modified
Record from
the NVD, synced

Affected

Packages (OSV)

AdvisoryEcosystemPackageAffectedFixed in
GHSA-97c3-w9cr-6qc2Mavenorg.jenkins-ci.main:jenkins-core<2.303.32.303.3
GHSA-97c3-w9cr-6qc2Mavenorg.jenkins-ci.main:jenkins-core>=2.304 <2.3192.319

References

Check your stackJSON