CVE-2020-2099Jenkins 2.213 and earlier, LTS 2.204.1 and earlier improperly reuses encryption key parameters in the Inbound TCP Agent Protocol/3,…
- 8.6HighCVSS base score
- 1.0%Exploitation in 30 daysEPSS · top 36% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
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.
Timeline
ID reserved
By jenkins
- 55 days later
· 55 days later
Published
- 5 years later
· 5 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
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 36% of all CVEs (12 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 8.6.
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
References6
- 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)
- EUVD EUVD-2022-5008 (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://cveledger.app/cve/CVE-2020-2099)Record last updated .