cve.bz

CVE-2021-21640

4.3 mediumEPSS 1.9%

Medium (4.3) in jenkins jenkins. EPSS 1.9% chance of exploitation in the next 30 days. Fixed in org.jenkins-ci.main:jenkins-core 2.277.2, 2.287.

Jenkins 2.286 and earlier, LTS 2.277.1 and earlier does not properly check that a newly created view has an allowed name, allowing attackers with View/Create permission to create views with invalid or already-used names.

Severity

CVSS 3.1

4.3 medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
EPSS
1.9% chance of exploitation in the next 30 days; higher than 79% of CVEs (scores of 2026-10-31)
Published
Modified
Record from
the NVD, synced

Affected

Packages (OSV)

AdvisoryEcosystemPackageAffectedFixed in
GHSA-w2hv-rcqr-2h7rMavenorg.jenkins-ci.main:jenkins-core<2.277.22.277.2
GHSA-w2hv-rcqr-2h7rMavenorg.jenkins-ci.main:jenkins-core>=2.278 <2.2872.287

References

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