CVE-2021-21685
CRITICALCVSS 9.1/10EPSS 1.47%
Last modified
CVE-2021-21685 is a critical-severity vulnerability rated 9.1/10 on the CVSS scale. 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.. EPSS estimates a 1.47% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Jenkins | Jenkins | < 2.303.3 |
| Jenkins | Jenkins | < 2.319 |
References
- http://www.openwall.com/lists/oss-security/2021/11/04/3Mailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2021/11/04/3Mailing List, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-21685?
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 a CVSS score of 9.1/10 (CRITICAL severity). The EPSS model estimates a 1.47% probability of exploitation in the next 30 days.
How do I fix CVE-2021-21685?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2021-21685?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST