CVE-2021-21685

Severity
9.1CRITICAL
EPSS
0.2%
top 58.26%
CISA KEV
Not in KEV
Exploit
No known exploits
Timeline
PublishedNov 4
Latest updateMay 24

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.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:NExploitability: 3.9 | Impact: 5.2

Affected Packages3 packages

NVDjenkins/jenkins< 2.303.3+1
Mavenorg.jenkins-ci.main:jenkins-core2.3042.319+1
CVEListV5jenkins_project/jenkinsunspecified2.318+1

🔴Vulnerability Details

3
OSV
Multiple vulnerabilities allow bypassing path filtering of agent-to-controller access control in Jenkins2022-05-24
GHSA
Multiple vulnerabilities allow bypassing path filtering of agent-to-controller access control in Jenkins2022-05-24
CVEList
CVE-2021-21685: Jenkins 22021-11-04

📋Vendor Advisories

2
Red Hat
jenkins: FilePath#mkdirs does not check permission to create parent directories2021-11-04
Jenkins
Jenkins Security Advisory 2021-11-042021-11-04
CVE-2021-21685 (CRITICAL CVSS 9.1) | Jenkins 2.318 and earlier | cvebase.io