VulnerabilityModified
CVE-2021-21697
Jenkins 2.318 and earlier, LTS 2.303.2 and earlier allows any agent to read and write the contents of any build directory stored in Jenkins with very few restrictions.
CRITICAL 9.1EPSS 1.60%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.60%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
Jenkins 2.318 and earlier, LTS 2.303.2 and earlier allows any agent to read and write the contents of any build directory stored in Jenkins with very few restrictions.
- CVSS 3.1
- 9.1 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
- EPSS
- 1.60% probability · 74th percentile
- CISA KEV
- Not listed
- 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-2428Patch, Vendor 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-2428Patch, Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.