Jenkins Improper Link Resolution Before File Access (Link Following) Vulnerability - CVE-2021-21691 - Vulnerability Database

Jenkins

Jenkins Improper Link Resolution Before File Access (Link Following) Vulnerability - CVE-2021-21691

Critical

Reference: CVE-2021-21691

NVD Link: https://nvd.nist.gov/vuln/detail/CVE-2021-21691

Title: Jenkins Improper Link Resolution Before File Access (Link Following) Vulnerability

Overview:

Creating symbolic links is possible without the 39symlink39 agent-to-controller access control permission in Jenkins 2.318 and earlier LTS 2.303.2 and earlier.