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CVE-2020-2099
Jenkins 2.213 and earlier, LTS 2.204.1 and earlier improperly reuses encryption key parameters in the Inbound TCP Agent Protocol/3,…
High8.6EPSS 1.0%
- Published
- Updated
- Reserved
- Assigned by
- jenkins
Description
Jenkins 2.213 and earlier, LTS 2.204.1 and earlier improperly reuses encryption key parameters in the Inbound TCP Agent Protocol/3, allowing unauthorized attackers with knowledge of agent names to obtain the connection secrets for those agents, which can be used to connect to Jenkins, impersonating those agents.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.1 | High8.6 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L |
- EPSS (exploitation in 30 days)
- 1.0% · top 37% of all CVEs (6 Nov 2026)
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The list uses the assigner's score when there is one, then CISA's, then NVD's: High 8.6.
Weakness
Affected products
- affected unspecified – ≤ 2.213
- affected unspecified – ≤ LTS 2.204.1
Affected packages
From reviewed advisories of the GitHub Advisory Database.
- Mavenorg.jenkins-ci.main:jenkins-coreGHSA-qp4f-2w67-c8hw (opens in a new tab)
References (6)
- https://jenkins.io/security/advisory/2020-01-29/#SECURITY-1682 (opens in a new tab)x_refsource_CONFIRMx_transferred
- [oss-security] 20200129 Multiple vulnerabilities in Jenkins and Jenkins plugins (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- RHSA-2020:0681 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- RHSA-2020:0683 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- RHBA-2020:0402 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- RHBA-2020:0675 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisory GHSA-qp4f-2w67-c8hw (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2020-2099)Record last updated .