Vulnerability 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 Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Jenkins | Jenkins | <= 2.303.1 |
| Microsoft | Windows | - |
Related Weaknesses (CWE)
References
- http://www.openwall.com/lists/oss-security/2021/10/06/1Mailing ListThird 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 ListThird Party Advisory
- https://www.jenkins.io/security/advisory/2021-10-06/#SECURITY-2481Vendor Advisory
FAQ
What is CVE-2021-21683?
CVE-2021-21683 is a vulnerability with a CVSS score of 6.5 (MEDIUM). 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 Ove...
How severe is CVE-2021-21683?
CVE-2021-21683 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-21683?
Check the references section above for vendor advisories and patch information. Affected products include: Jenkins Jenkins, Microsoft Windows.