cve.bz

CVE-2021-21688

7.5 highEPSS 1.4%

High (7.5) in jenkins jenkins. EPSS 1.4% chance of exploitation in the next 30 days. Fixed in org.jenkins-ci.main:jenkins-core 2.303.3, 2.319.

The agent-to-controller security check FilePath#reading(FileVisitor) in Jenkins 2.318 and earlier, LTS 2.303.2 and earlier does not reject any operations, allowing users to have unrestricted read access using certain operations (creating archives, FilePath#copyRecursiveTo).

Severity

CVSS 3.1

7.5 high
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
EPSS
1.4% chance of exploitation in the next 30 days; higher than 72% of CVEs (scores of 2026-10-31)
CWE
CWE-862
Published
Modified
Record from
the NVD, synced

Affected

Packages (OSV)

AdvisoryEcosystemPackageAffectedFixed in
GHSA-m9hr-259f-2v23Mavenorg.jenkins-ci.main:jenkins-core<2.303.32.303.3
GHSA-m9hr-259f-2v23Mavenorg.jenkins-ci.main:jenkins-core>=2.304 <2.3192.319

References

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