Vulnerability 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 Score
9.1
CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Jenkins | Jenkins | < 2.303.3 |
Related Weaknesses (CWE)
References
- http://www.openwall.com/lists/oss-security/2021/11/04/3Mailing ListThird Party Advisory
- https://www.jenkins.io/security/advisory/2021-11-04/#SECURITY-2455Vendor Advisory
- http://www.openwall.com/lists/oss-security/2021/11/04/3Mailing ListThird Party Advisory
- https://www.jenkins.io/security/advisory/2021-11-04/#SECURITY-2455Vendor Advisory
FAQ
What is CVE-2021-21685?
CVE-2021-21685 is a vulnerability with a CVSS score of 9.1 (CRITICAL). 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.
How severe is CVE-2021-21685?
CVE-2021-21685 has been rated CRITICAL with a CVSS base score of 9.1/10. This is considered a critical vulnerability requiring immediate attention.
Is there a patch for CVE-2021-21685?
Check the references section above for vendor advisories and patch information. Affected products include: Jenkins Jenkins.