VulnerabilityModified
CVE-2021-21671
Jenkins 2.299 and earlier, LTS 2.289.1 and earlier does not invalidate the previous session on login.
HIGH 7.5EPSS 1.71%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.71%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
Jenkins 2.299 and earlier, LTS 2.289.1 and earlier does not invalidate the previous session on login.
- CVSS 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
- EPSS
- 1.71% probability · 76th percentile
- CISA KEV
- Not listed
- Affected
- jenkins/jenkins
- Source
- jenkinsci-cert@googlegroups.com
References
- http://www.openwall.com/lists/oss-security/2021/06/30/1Mailing List, Third Party Advisory
- https://www.jenkins.io/security/advisory/2021-06-30/#SECURITY-2371Vendor Advisory
- http://www.openwall.com/lists/oss-security/2021/06/30/1Mailing List, Third Party Advisory
- https://www.jenkins.io/security/advisory/2021-06-30/#SECURITY-2371Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.