CVE-2021-21688 Information

Description

The agent-to-controller security check FilePathreading(FileVisitor) in Jenkins 2.318 and earlier LTS 2.303.2 and earlier does not reject any operations allowing users to have unrestricted read access using certain operations (creating archives FilePathcopyRecursiveTo).

CVSS Vector

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

Reference

https://www.jenkins.io/security/advisory/2021-11-04/#SECURITY-2455

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

NONE

Base Score

NONE

Base Severity

7.5