CVE-2021-21683
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…
Does this matter?
Lower severity and a low EPSS score (2.17%). Track it; it rarely justifies an emergency change on its own.
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.
- CVSS 3.1
- 6.5 MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
- EPSS
- 2.17% probability · 81th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-22
- Affected
- jenkins/jenkins
- Source
- jenkinsci-cert@googlegroups.com
References
- http://www.openwall.com/lists/oss-security/2021/10/06/1Mailing List, Third Party Advisory
- https://www.jenkins.io/security/advisory/2021-10-06/#SECURITY-2481Vendor Advisory
- http://www.openwall.com/lists/oss-security/2021/10/06/1Mailing List, Third Party Advisory
- https://www.jenkins.io/security/advisory/2021-10-06/#SECURITY-2481Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.