CVE-2021-21685

critical

Description

Jenkins 2.318 and earlier, LTS 2.303.2 and earlier does not check agent-to-controller access to create parent directories in FilePath#mkdirs.

References

https://github.com/advisories/GHSA-58xm-mxjf-254g

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

http://www.openwall.com/lists/oss-security/2021/11/04/3

Details

Source: Mitre, NVD

Published: 2021-11-04

Updated: 2026-06-17

Risk Information

CVSS v2

Base Score: 6.4

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:N

Severity: Medium

CVSS v3

Base Score: 9.1

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

Severity: Critical

EPSS

EPSS: 0.00267