CVE-2020-2101
At a glance
- Severity
- Not available
- EPSS
- EPSS 1.37 % · percentile 72 (2026-10-27)
- State
- PUBLISHED
- Published
- Updated
- Assigner
- jenkins
- NVD status
- Modified
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.
Scores
| Version | Score | Vector | Scored by |
|---|---|---|---|
| CVSS 3.1 | MEDIUM 5.3 | CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N | NVD · nvd@nist.gov (Primary) |
| CVSS 2.0 | LOW 3.5 | AV:N/AC:M/Au:S/C:P/I:N/A:N | NVD · nvd@nist.gov (Primary) |
Weaknesses (CWE)
Advisories
- GHSA-w7jr-wqw6-54xc — Non-constant time comparison of inbound TCP agent connection secret
European references
- ENISA EUVD · EUVD-2022-5526
- GCVE · GCVE-0-2020-2101
Affected configurations (NVD CPE)
cpe:2.3:a:jenkins:jenkins:*:*:*:*:lts:*:*:*≤ 2.204.1cpe:2.3:a:jenkins:jenkins:*:*:*:*:-:*:*:*≤ 2.218
Affected products
| Product | Versions |
|---|---|
| Jenkins project · Jenkins | affected unspecified ≤ 2.218 ; affected unspecified ≤ LTS 2.204.1 |
References
- https://jenkins.io/security/advisory/2020-01-29/#SECURITY-1659
- http://www.openwall.com/lists/oss-security/2020/01/29/1
- https://access.redhat.com/errata/RHSA-2020:0681
- https://access.redhat.com/errata/RHSA-2020:0683
- https://access.redhat.com/errata/RHBA-2020:0402
- https://access.redhat.com/errata/RHBA-2020:0675
Sources
| Source | Licence |
|---|---|
| CVE List (CVEProject cvelistV5) | CVE Program Terms of Use |
| EPSS (FIRST.org) | FIRST — attribution requested |
| ENISA EUVD | ENISA — reproduction authorised, source acknowledged |
| NVD (NIST) via fkie-cad/nvd-json-data-feeds | Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD |