Vulnerability Description
Jenkins 2.218 and earlier, LTS 2.204.1 and earlier did not use a constant-time comparison function for validating connection secrets, which could potentially allow an attacker to use a timing attack to obtain this secret.
CVSS Score
5.3
MEDIUM
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Jenkins | Jenkins | <= 2.204.1 |
Related Weaknesses (CWE)
References
- http://www.openwall.com/lists/oss-security/2020/01/29/1Mailing ListThird Party Advisory
- https://access.redhat.com/errata/RHBA-2020:0402
- https://access.redhat.com/errata/RHBA-2020:0675
- https://access.redhat.com/errata/RHSA-2020:0681
- https://access.redhat.com/errata/RHSA-2020:0683
- https://jenkins.io/security/advisory/2020-01-29/#SECURITY-1659Vendor Advisory
- http://www.openwall.com/lists/oss-security/2020/01/29/1Mailing ListThird Party Advisory
- https://access.redhat.com/errata/RHBA-2020:0402
- https://access.redhat.com/errata/RHBA-2020:0675
- https://access.redhat.com/errata/RHSA-2020:0681
- https://access.redhat.com/errata/RHSA-2020:0683
- https://jenkins.io/security/advisory/2020-01-29/#SECURITY-1659Vendor Advisory
FAQ
What is CVE-2020-2101?
CVE-2020-2101 is a vulnerability with a CVSS score of 5.3 (MEDIUM). Jenkins 2.218 and earlier, LTS 2.204.1 and earlier did not use a constant-time comparison function for validating connection secrets, which could potentially allow an attacker to use a timing attack t...
How severe is CVE-2020-2101?
CVE-2020-2101 has been rated MEDIUM with a CVSS base score of 5.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2020-2101?
Check the references section above for vendor advisories and patch information. Affected products include: Jenkins Jenkins.