CVE-2021-21683
MEDIUM6.5EPSS 1.7%Path traversal vulnerability on Windows in Jenkins
Published: 5/24/2022Modified: 4/3/2025
Description
The file browser in Jenkins 2.314 and earlier, LTS 2.303.1 and earlier may interpret some paths to files as absolute on Windows, resulting in a path traversal vulnerability allowing attackers with Overall/Read permission (Windows controller) or Job/Workspace permission (Windows agents) to obtain the contents of arbitrary files.
Affected packages (2)
- Bitnami/jenkinsfrom 0, < 2.314.1
- Maven/org.jenkins-ci.main:jenkins-corefrom 0, < 2.303.2
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM6.5 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N |
References (5)
- ADVISORYhttps://nvd.nist.gov/vuln/detail/CVE-2021-21683
- PATCHhttps://github.com/jenkinsci/jenkins
- WEBhttps://github.com/jenkinsci/jenkins/commit/3f679fc12d073676a4441d3fa8b5fff34c07662f
- WEBhttps://www.jenkins.io/security/advisory/2021-10-06/#SECURITY-2481
- WEBhttp://www.openwall.com/lists/oss-security/2021/10/06/1