CVE-2021-21688

The agent-to-controller security check FilePath#reading(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, FilePath#copyRecursiveTo).

Published: Nov 4, 2021
Updated: May 9, 2024
CVE: CVE-2021-21688
GHSA: GHSA-m9hr-259f-2v23
Severity: High
Exploit:

CVSS v3:

Severity: High
Score: 7.5
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

CVSS v2:

Severity: Medium
Score: 5
AV:N/AC:L/Au:N/C:P/I:N/A:N

CWEs:

CWE-862

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

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

Vulnerability Database

289,599

CVE-2021-21688