Related Vulnerabilities: CVE-2021-21683  

The file browser in Jenkins 2.314 and earlier may interpret some paths to files as absolute on Windows, resulting in a path traversal vulnerability allowing attackers with Overall/Read permission (Windows controller) or Job/Workspace permission (Windows agents) to obtain the contents of arbitrary files.

Severity Medium

Remote Yes

Type Directory traversal

Description

The file browser in Jenkins 2.314 and earlier may interpret some paths to files as absolute on Windows, resulting in a path traversal vulnerability allowing attackers with Overall/Read permission (Windows controller) or Job/Workspace permission (Windows agents) to obtain the contents of arbitrary files.

AVG-2449 jenkins 2.314-1 Medium Not affected

https://www.jenkins.io/security/advisory/2021-10-06/#SECURITY-2481