CVE-2021-21683 Information

Description

The file browser in Jenkins 2.314 and earlier LTS 2.303.1 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.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Reference

https://www.jenkins.io/security/advisory/2021-10-06/#SECURITY-2481 http://www.openwall.com/lists/oss-security/2021/10/06/1

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

NONE

Base Score

NONE

Base Severity

6.5