Vulnerability Description
Jenkins 2.299 and earlier, LTS 2.289.1 and earlier does not invalidate the previous session on login.
CVSS Score
7.5
HIGH
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Jenkins | Jenkins | >= 2.266, < 2.300 |
References
- http://www.openwall.com/lists/oss-security/2021/06/30/1Mailing ListThird 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 ListThird Party Advisory
- https://www.jenkins.io/security/advisory/2021-06-30/#SECURITY-2371Vendor Advisory
FAQ
What is CVE-2021-21671?
CVE-2021-21671 is a vulnerability with a CVSS score of 7.5 (HIGH). Jenkins 2.299 and earlier, LTS 2.289.1 and earlier does not invalidate the previous session on login.
How severe is CVE-2021-21671?
CVE-2021-21671 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-21671?
Check the references section above for vendor advisories and patch information. Affected products include: Jenkins Jenkins.