{"id":"CVE-2018-6517","aliases":["EUVD-2019-0369","GHSA-573x-jhqh-jg36"],"status":"published","title":"Improper Certificate Validation in chloride","description":"Prior to version 0.3.0, chloride's use of net-ssh resulted in host fingerprints for previously unknown hosts getting added to the user's known_hosts file without confirmation. In version 0.3.0 this is updated so that the user's known_hosts file is not updated by chloride.","severity":{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-07","score":0.00893,"percentile":0.59676,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-295"],"published":"2019-03-17T19:14:43Z","modified":"2026-10-24T10:31:01Z","fixes":[{"ecosystem":"RubyGems","package":"chloride","fixed_in":["0.3.0"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"RubyGems","package":"chloride","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.3.0"}]}]},{"source":"osv","ecosystem":"RubyGems","package":"chloride","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.3.0"}]}],"versions":["0.1.0","0.2.0","0.2.2","0.2.3"]}],"products":[{"vendor":"puppet","product":"chloride"}],"references":[{"url":"https://puppet.com/security/cve/CVE-2018-6517","tags":["x_refsource_CONFIRM","x_transferred","Third Party Advisory","advisory","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-6517","tags":["advisory"]},{"url":"https://web.archive.org/web/20201001014342/https://puppet.com/security/cve/CVE-2018-6517","tags":["web"]},{"url":"https://github.com/rubysec/ruby-advisory-db/blob/master/gems/chloride/CVE-2018-6517.yml","tags":["web"]},{"url":"https://github.com/advisories/GHSA-573x-jhqh-jg36"}],"sources":{"cve":[{"id":"CVE-2018-6517","description":"Prior to version 0.3.0, chloride's use of net-ssh resulted in host fingerprints for previously unknown hosts getting added to the user's known_hosts file without confirmation. In version 0.3.0 this is updated so that the user's known_hosts file is not updated by chloride.","status":"published","published":"2019-03-17T19:14:43Z","modified":"2024-08-05T06:10:10.019Z","updated_at":"2026-11-02T14:35:05.961936Z"}],"euvd":[{"id":"EUVD-2019-0369","description":"Prior to version 0.3.0, chloride's use of net-ssh resulted in host fingerprints for previously unknown hosts getting added to the user's known_hosts file without confirmation. In version 0.3.0 this is updated so that the user's known_hosts file is not updated by chloride.","status":"published","published":"2019-03-17T19:14:43Z","modified":"2024-08-05T06:10:10Z","updated_at":"2026-11-03T02:40:07.640255Z"}],"ghsa":[{"id":"GHSA-573x-jhqh-jg36","title":"Improper Certificate Validation in chloride","description":"Prior to version 0.3.0, chloride's use of net-ssh resulted in host fingerprints for previously unknown hosts getting added to the user's known_hosts file without confirmation. In version 0.3.0 this is updated so that the user's known_hosts file is not updated by chloride.","status":"published","published":"2019-03-25T16:16:27Z","modified":"2023-11-04T05:05:10Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high"}],"cwes":["CWE-295"],"updated_at":"2026-11-02T14:37:12.407027Z"}],"nvd":[{"id":"CVE-2018-6517","description":"Prior to version 0.3.0, chloride's use of net-ssh resulted in host fingerprints for previously unknown hosts getting added to the user's known_hosts file without confirmation. In version 0.3.0 this is updated so that the user's known_hosts file is not updated by chloride.","status":"published","published":"2019-03-21T16:00:56.483Z","modified":"2026-06-17T02:01:57.12Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high","assessor":"primary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:P/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-295"],"updated_at":"2026-11-02T14:04:55.136632Z"}],"osv":[{"id":"CVE-2018-6517","description":"Prior to version 0.3.0, chloride's use of net-ssh resulted in host fingerprints for previously unknown hosts getting added to the user's known_hosts file without confirmation. In version 0.3.0 this is updated so that the user's known_hosts file is not updated by chloride.","status":"published","published":"2019-03-21T16:00:56.483Z","modified":"2026-10-24T10:31:01.945599304Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high"}],"updated_at":"2026-11-02T15:44:09.74357Z"},{"id":"GHSA-573x-jhqh-jg36","title":"Improper Certificate Validation in chloride","description":"Prior to version 0.3.0, chloride's use of net-ssh resulted in host fingerprints for previously unknown hosts getting added to the user's known_hosts file without confirmation. In version 0.3.0 this is updated so that the user's known_hosts file is not updated by chloride.","status":"published","published":"2019-03-25T16:16:27Z","modified":"2024-02-16T08:22:49.073607Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high"}],"cwes":["CWE-295"],"updated_at":"2026-11-02T15:46:37.864461Z"}]}}