CVE-2021-21688
CRITICAL9.0EPSS 0.35%Multiple vulnerabilities allow bypassing path filtering of agent-to-controller access control in Jenkins
Published: 5/24/2022Modified: 4/3/2025
Description
The agent-to-controller security check FilePath#reading(FileVisitor) in Jenkins 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).
Affected packages (2)
- Bitnami/jenkinsfrom 0, < 2.319.0
- Maven/org.jenkins-ci.main:jenkins-corefrom 0, < 2.303.3
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | CRITICAL9.0 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H |
References (6)
- ADVISORYhttps://nvd.nist.gov/vuln/detail/CVE-2021-21688
- PATCHhttps://github.com/jenkinsci/jenkins
- WEBhttps://github.com/jenkinsci/jenkins/commit/104c751d907919dd53f5090f84d53c671a66457b
- WEBhttps://github.com/jenkinsci/jenkins/commit/5a245e42979abe4a26d41727c839521e36cedd74
- WEBhttps://github.com/jenkinsci/jenkins/commit/63cde2daadc705edf086f2213b48c8c547f98358
- WEBhttps://www.jenkins.io/security/advisory/2021-11-04/#SECURITY-2455