VulnerabilityModified
CVE-2021-21695
FilePath#listFiles lists files outside directories that agents are allowed to access when following symbolic links in Jenkins 2.318 and earlier, LTS 2.303.2 and earlier.
HIGH 8.8EPSS 2.15%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (2.15%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
FilePath#listFiles lists files outside directories that agents are allowed to access when following symbolic links in Jenkins 2.318 and earlier, LTS 2.303.2 and earlier.
- CVSS 3.1
- 8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- EPSS
- 2.15% probability · 81th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-59
- Affected
- jenkins/jenkins
- Source
- jenkinsci-cert@googlegroups.com
References
- http://www.openwall.com/lists/oss-security/2021/11/04/3Mailing List, Third 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 List, Third Party Advisory
- https://www.jenkins.io/security/advisory/2021-11-04/#SECURITY-2455Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.