Schwachstellen / CVE-2021-21687

kritisch

CVE-2021-21687

jenkins: FilePath#untar does not check permission to create symbolic links when unarchiving a symbolic link

Veröffentlicht Geändert CWE 862
In der Trivy Database seit spätestens 24. Okt. 2026, 07:11 UTCWann der Eintrag vor diesem Build hinzukam, ist nicht erfasst.

Einstufung nach Quelle

NVD9.1CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
GHSA9.1CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
Red Hat9.0CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
Bitnami9.1CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Trivys eigenes Label ist CRITICAL. Kritisch laut NVD, GHSA, Bitnami. Niedriger laut Red Hat (hoch).

Beschreibung

Jenkins 2.318 and earlier, LTS 2.303.2 and earlier does not check agent-to-controller access to create symbolic links when unarchiving a symbolic link in FilePath#untar.

Betroffene Pakete und behobene Versionen

QuellePaketBehoben in
bitnami::Bitnami Vulnerability Databasejenkins2.319.0
maven::GitHub Security Advisory Mavenorg.jenkins-ci.main:jenkins-core2.303.3, 2.319

Referenzen

Vulnerability data compiled from the Trivy vulnerability database (trivy-db, Aqua Security, Apache License 2.0), which aggregates third-party advisories. CVE records are published by The MITRE Corporation under the CVE Terms of Use; CVE is a trademark of MITRE. This product uses data from the NVD API but is not endorsed or certified by the NVD. Severity, titles and advisory data from the GitHub Advisory Database (CC BY 4.0), Red Hat security data (CC BY 4.0) and the other sources linked on each entry. Entries may be summarised or re-formatted; the linked original is the authoritative record.