CVE-2020-2146 json
Missing SSH host key validation in Mac Plugin
published 2020-03-09 6 y ago modified 2026-06-17 4 mo ago also GHSA-rv9g-67f7-grq7 , EUVD-2022-5238
- cvss
- 7.4
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.6%
- EPSS 0.6% chance of exploitation in 30 days, percentile 47%
- public exploits
- 0
- none known
Summary
Jenkins Mac Plugin 1.1.0 and earlier does not validate SSH host keys when connecting agents created by the plugin, enabling man-in-the-middle attacks.
Patch / fix
Exploit prediction
0.57% chance of exploitation in the next 30 days, higher than 47% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 7.4 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N |
| NVD | 2.0 | 5.8 | AV:N/AC:M/Au:N/C:P/I:P/A:N |
| GitHub | 3.1 | 6.8 | CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| maven | fr.edf.jenkins.plugins:mac | <1.2.0 |
1.2.0 |
Affected products
- Jenkins project Jenkins Mac Plugin
Classification
- Weakness
-
- CWE-347 Improper Verification of Cryptographic Signature
References
-
github.com
/jenkinsci/mac-plugin/commit/ba1a8206c7ef990d37498e5abdf210990ef046b5
web
-
jenkins.io
/security/advisory/2020-03-09/#SECURITY-1692
web, vendor-advisory
-
openwall.com
/lists/oss-security/2020/03/09/1
mailing-list, web, third-party-advisory
-
nvd.nist.gov
/vuln/detail/CVE-2020-2146
advisory
-
github.com
/jenkinsci/mac-plugin
package
Sources
- CVE List CVE-2020-2146
- GitHub Advisory GHSA-rv9g-67f7-grq7
- NVD CVE-2020-2146
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