CVEvulnerability

CVE-2021-21686

8.1 HIGH Published 2021-11-04 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2021-11-04
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
8.1 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
CVSS 2.0 ([email protected])
5.8 MEDIUM — AV:N/AC:M/Au:N/C:P/I:P/A:N
Weaknesses
CWE-59

Description

File path filters in the agent-to-controller security subsystem of Jenkins 2.318 and earlier, LTS 2.303.2 and earlier do not canonicalize paths, allowing operations to follow symbolic links to outside allowed directories.

Affected configurations

• jenkins jenkins (< 2.303.3) • jenkins jenkins (< 2.319)

Related

Weakness · CWE (1)

  • CWE-59 Improper Link Resolution Before File Access weakness

References