{"id":"CVE-2018-1000149","aliases":["EUVD-2022-2077","GHSA-322x-jv5h-cvjh"],"status":"published","title":"Jenkins Ansible Plugin man in the middle vulnerability","description":"A man in the middle vulnerability exists in Jenkins Ansible Plugin 0.8 and older in AbstractAnsibleInvocation.java, AnsibleAdHocCommandBuilder.java, AnsibleAdHocCommandInvocationTest.java, AnsibleContext.java, AnsibleJobDslExtension.java, AnsiblePlaybookBuilder.java, AnsiblePlaybookStep.java that disables host key verification by default.","severity":{"version":"3.0","score":5.6,"vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.00705,"percentile":0.53587,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"published":"2018-04-05T13:00:00Z","modified":"2026-10-24T10:30:49Z","fixes":[{"ecosystem":"Maven","package":"org.jenkins-ci.plugins:ansible","fixed_in":["1.0"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"Maven","package":"org.jenkins-ci.plugins:ansible","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"0.8"},{"fixed":"1.0"}]}]},{"source":"osv","ecosystem":"Maven","package":"org.jenkins-ci.plugins:ansible","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.0"}]}],"versions":["0.1","0.2","0.3","0.3.1","0.4","0.5","0.6.1","0.6.2","0.8"]}],"products":[{"vendor":"jenkins","product":"ansible"}],"references":[{"url":"https://jenkins.io/security/advisory/2018-03-26/#SECURITY-630","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory","advisory","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-1000149","tags":["advisory"]},{"url":"https://github.com/jenkinsci/ansible-plugin/commit/06d30e5b626a978e258a7f4ab473cd7f53a7cba7","tags":["web"]},{"url":"https://github.com/advisories/GHSA-322x-jv5h-cvjh"}],"sources":{"cve":[{"id":"CVE-2018-1000149","description":"A man in the middle vulnerability exists in Jenkins Ansible Plugin 0.8 and older in AbstractAnsibleInvocation.java, AnsibleAdHocCommandBuilder.java, AnsibleAdHocCommandInvocationTest.java, AnsibleContext.java, AnsibleJobDslExtension.java, AnsiblePlaybookBuilder.java, AnsiblePlaybookStep.java that disables host key verification by default.","status":"published","published":"2018-04-05T13:00:00Z","modified":"2024-09-16T17:58:30.298Z","updated_at":"2026-11-02T14:35:10.685174Z"}],"euvd":[{"id":"EUVD-2022-2077","description":"A man in the middle vulnerability exists in Jenkins Ansible Plugin 0.8 and older in AbstractAnsibleInvocation.java, AnsibleAdHocCommandBuilder.java, AnsibleAdHocCommandInvocationTest.java, AnsibleContext.java, AnsibleJobDslExtension.java, AnsiblePlaybookBuilder.java, AnsiblePlaybookStep.java that disables host key verification by default.","status":"published","published":"2018-04-05T13:00:00Z","modified":"2024-09-16T17:58:30Z","updated_at":"2026-11-03T00:55:36.806318Z"}],"ghsa":[{"id":"GHSA-322x-jv5h-cvjh","title":"Jenkins Ansible Plugin man in the middle vulnerability","description":"A man in the middle vulnerability exists in Jenkins Ansible Plugin 0.8 and older in `AbstractAnsibleInvocation.java`, `AnsibleAdHocCommandBuilder.java`, `AnsibleAdHocCommandInvocationTest.java`, `AnsibleContext.java`, `AnsibleJobDslExtension.java`, `AnsiblePlaybookBuilder.java`, `AnsiblePlaybookStep.java` that disables host key verification by default. Ansible Plugin 1.0 now enables host key verification by default, adding options allowing users to opt out.","status":"published","published":"2022-05-13T01:18:44Z","modified":"2023-12-07T13:42:11Z","cvss":[{"version":"3.0","score":5.6,"vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L","level":"medium"}],"updated_at":"2026-11-02T14:37:24.593982Z"}],"nvd":[{"id":"CVE-2018-1000149","description":"A man in the middle vulnerability exists in Jenkins Ansible Plugin 0.8 and older in AbstractAnsibleInvocation.java, AnsibleAdHocCommandBuilder.java, AnsibleAdHocCommandInvocationTest.java, AnsibleContext.java, AnsibleJobDslExtension.java, AnsiblePlaybookBuilder.java, AnsiblePlaybookStep.java that disables host key verification by default.","status":"published","published":"2018-04-05T13:29:00.637Z","modified":"2026-06-17T01:32:32.2Z","cvss":[{"version":"3.0","score":5.6,"vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L","level":"medium","assessor":"primary"},{"version":"2.0","score":6.8,"vector":"AV:N/AC:M/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"updated_at":"2026-11-02T14:04:24.700429Z"}],"osv":[{"id":"CVE-2018-1000149","description":"A man in the middle vulnerability exists in Jenkins Ansible Plugin 0.8 and older in AbstractAnsibleInvocation.java, AnsibleAdHocCommandBuilder.java, AnsibleAdHocCommandInvocationTest.java, AnsibleContext.java, AnsibleJobDslExtension.java, AnsiblePlaybookBuilder.java, AnsiblePlaybookStep.java that disables host key verification by default.","status":"published","published":"2018-04-05T13:29:00.637Z","modified":"2026-10-24T10:30:49.961515302Z","cvss":[{"version":"3.0","score":5.6,"vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L","level":"medium"}],"updated_at":"2026-11-02T15:44:07.192756Z"},{"id":"GHSA-322x-jv5h-cvjh","title":"Jenkins Ansible Plugin man in the middle vulnerability","description":"A man in the middle vulnerability exists in Jenkins Ansible Plugin 0.8 and older in `AbstractAnsibleInvocation.java`, `AnsibleAdHocCommandBuilder.java`, `AnsibleAdHocCommandInvocationTest.java`, `AnsibleContext.java`, `AnsibleJobDslExtension.java`, `AnsiblePlaybookBuilder.java`, `AnsiblePlaybookStep.java` that disables host key verification by default. Ansible Plugin 1.0 now enables host key verification by default, adding options allowing users to opt out.","status":"published","published":"2022-05-13T01:18:44Z","modified":"2024-12-03T06:08:12.015115Z","cvss":[{"version":"3.0","score":5.6,"vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L","level":"medium"}],"updated_at":"2026-11-02T15:46:35.050232Z"}]}}