{"id":"CVE-2020-2146","aliases":["EUVD-2022-5238","GHSA-rv9g-67f7-grq7"],"status":"published","title":"Missing SSH host key validation in Mac Plugin","description":"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.","severity":{"version":"3.1","score":7.4,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.0057,"percentile":0.47467,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-347"],"published":"2020-03-09T15:01:01Z","modified":"2026-10-24T10:30:26Z","fixes":[{"ecosystem":"Maven","package":"fr.edf.jenkins.plugins:mac","fixed_in":["1.2.0"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"Maven","package":"fr.edf.jenkins.plugins:mac","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.2.0"}]}]},{"source":"osv","ecosystem":"Maven","package":"fr.edf.jenkins.plugins:mac","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.2.0"}]}],"versions":["1.0.0","1.0.1","1.0.2","1.1.0"]}],"products":[{"vendor":"jenkins","product":"mac"},{"vendor":"jenkins project","product":"jenkins mac plugin"}],"references":[{"url":"https://jenkins.io/security/advisory/2020-03-09/#SECURITY-1692","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory","advisory","web"]},{"url":"http://www.openwall.com/lists/oss-security/2020/03/09/1","tags":["mailing-list","x_refsource_MLIST","x_transferred","Third Party Advisory","advisory","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-2146","tags":["advisory"]},{"url":"https://github.com/jenkinsci/mac-plugin/commit/ba1a8206c7ef990d37498e5abdf210990ef046b5","tags":["web"]},{"url":"https://github.com/advisories/GHSA-rv9g-67f7-grq7"},{"url":"https://github.com/jenkinsci/mac-plugin","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2020-2146","description":"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.","status":"published","published":"2020-03-09T15:01:01Z","modified":"2024-08-04T07:01:41.083Z","updated_at":"2026-11-02T14:35:51.206854Z"}],"euvd":[{"id":"EUVD-2022-5238","description":"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.","status":"published","published":"2020-03-09T15:01:01Z","modified":"2024-08-04T07:01:41Z","updated_at":"2026-11-03T03:08:09.929524Z"}],"ghsa":[{"id":"GHSA-rv9g-67f7-grq7","title":"Missing SSH host key validation in Mac Plugin","description":"Mac Plugin 1.1.0 and earlier does not use SSH host key validation when connecting to Mac Cloud host launched by the plugin. This lack of validation could be abused using a man-in-the-middle attack to intercept these connections to build agents.\n\nMac Plugin 1.2.0 validates SSH host keys when connecting to agents.","status":"published","published":"2022-05-24T17:10:29Z","modified":"2023-12-13T12:57:17Z","cvss":[{"version":"3.1","score":6.8,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N","level":"medium"}],"cwes":["CWE-347"],"updated_at":"2026-11-02T14:37:25.311671Z"}],"nvd":[{"id":"CVE-2020-2146","description":"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.","status":"published","published":"2020-03-09T16:15:13.717Z","modified":"2026-06-17T03:11:50.943Z","cvss":[{"version":"3.1","score":7.4,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"high","assessor":"primary"},{"version":"2.0","score":5.8,"vector":"AV:N/AC:M/Au:N/C:P/I:P/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-347"],"updated_at":"2026-11-02T14:05:55.32877Z"}],"osv":[{"id":"CVE-2020-2146","description":"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.","status":"published","published":"2020-03-09T16:15:13.717Z","modified":"2026-10-24T10:30:26.853766507Z","cvss":[{"version":"3.1","score":7.4,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"high"}],"updated_at":"2026-11-02T15:44:15.534837Z"},{"id":"GHSA-rv9g-67f7-grq7","title":"Missing SSH host key validation in Mac Plugin","description":"Mac Plugin 1.1.0 and earlier does not use SSH host key validation when connecting to Mac Cloud host launched by the plugin. This lack of validation could be abused using a man-in-the-middle attack to intercept these connections to build agents.\n\nMac Plugin 1.2.0 validates SSH host keys when connecting to agents.","status":"published","published":"2022-05-24T17:10:29Z","modified":"2024-02-16T08:05:02.177753Z","cvss":[{"version":"3.1","score":6.8,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N","level":"medium"}],"cwes":["CWE-347"],"updated_at":"2026-11-02T15:46:56.281047Z"}]}}