CVE-2021-21695

FilePath#listFiles lists files outside directories that agents are allowed to access when following symbolic links in Jenkins 2.318 and earlier, LTS 2.303.2 and earlier.

Published: Nov 4, 2021
Updated: May 9, 2024
CVE: CVE-2021-21695
GHSA: GHSA-cvvm-4cr9-r436
Severity: High
Exploit:

CVSS v3:

Severity: High
Score: 8.8
AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

CVSS v2:

Severity: Medium
Score: 6.8
AV:N/AC:M/Au:N/C:P/I:P/A:P

CWEs:

CWE-862
CWE-59

Affected Software
References

Software	From	Fixed in
jenkins / jenkins	-	2.303.3
jenkins / jenkins	-	2.319
org.jenkins-ci.main / jenkins-core	-	2.303.3
org.jenkins-ci.main / jenkins-core	2.304	2.319

http://www.openwall.com/lists/oss-security/2021/11/04/3
https://www.jenkins.io/security/advisory/2021-11-04/#SECURITY-2455

Vulnerability Database

289,599

CVE-2021-21695