CVE-2021-21691

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CVSS 3.1

9.8 critical

EPSS

2%p81

Published

Nov 4, 2021 (Nov 4, 2021)

Modified

Jun 17, 2026

Description

Creating symbolic links is possible without the 'symlink' agent-to-controller access control permission in Jenkins 2.318 and earlier, LTS 2.303.2 and earlier.

Vendors: jenkins
Products: jenkins
Weakness: CWE-59
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

NVD CVE.org GitHub PoCs EPSS (2.1%)

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