{"id":"CVE-2018-20145","aliases":["DEBIAN-CVE-2018-20145","EUVD-2018-12714","GHSA-p6fp-h8pq-3x5p","openSUSE-SU-2024:11057-1"],"status":"published","title":"Eclipse Mosquitto 1.5.x before 1.5.5 allows ACL bypass: if the option per_listener_settings was...","description":"Eclipse Mosquitto 1.5.x before 1.5.5 allows ACL bypass: if the option per_listener_settings was set to true, and the default listener was in use, and the default listener specified an acl_file, then the acl file was being ignored.","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":"2026-11-08","score":0.01645,"percentile":0.76604,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-732"],"published":"2018-12-13T20:00:00Z","modified":"2026-10-23T18:04:47Z","fixes":[{"ecosystem":"Debian:12","package":"mosquitto","fixed_in":["1.5.5-1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"mosquitto","fixed_in":["1.5.5-1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"mosquitto","fixed_in":["1.5.5-1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"mosquitto","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.5.5-1"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"mosquitto","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.5.5-1"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"mosquitto","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.5.5-1"}]}]}],"products":[{"vendor":"eclipse","product":"mosquitto"}],"references":[{"url":"https://github.com/eclipse/mosquitto/issues/1073","tags":["x_refsource_MISC","x_transferred","Issue Tracking","Patch","Third Party Advisory","fix"]},{"url":"https://github.com/eclipse/mosquitto/blob/master/ChangeLog.txt","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","advisory"]},{"url":"https://github.com/eclipse/mosquitto/commit/9097577b49b7fdcf45d30975976dd93808ccc0c4","tags":["x_refsource_MISC","x_transferred","Patch","Third Party Advisory","fix"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-20145"},{"url":"https://github.com/advisories/GHSA-p6fp-h8pq-3x5p"},{"url":"https://security-tracker.debian.org/tracker/CVE-2018-20145","tags":["advisory"]},{"url":"","tags":["advisory"]},{"url":"https://www.suse.com/security/cve/CVE-2017-7650","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2017-7651","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2017-7652","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2017-9868","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2018-12543","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2018-12546","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2018-12550","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2018-12551","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2018-20145","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2019-11778","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2019-11779","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2021-28166","tags":["web"]}],"sources":{"cve":[{"id":"CVE-2018-20145","description":"Eclipse Mosquitto 1.5.x before 1.5.5 allows ACL bypass: if the option per_listener_settings was set to true, and the default listener was in use, and the default listener specified an acl_file, then the acl file was being ignored.","status":"published","published":"2018-12-13T20:00:00Z","modified":"2024-08-05T11:51:19.137Z","updated_at":"2026-11-02T14:34:59.872731Z"}],"euvd":[{"id":"EUVD-2018-12714","description":"Eclipse Mosquitto 1.5.x before 1.5.5 allows ACL bypass: if the option per_listener_settings was set to true, and the default listener was in use, and the default listener specified an acl_file, then the acl file was being ignored.","status":"published","published":"2018-12-13T20:00:00Z","modified":"2024-08-05T11:51:19Z","updated_at":"2026-11-03T02:39:31.423203Z"}],"ghsa":[{"id":"GHSA-p6fp-h8pq-3x5p","title":"Eclipse Mosquitto 1.5.x before 1.5.5 allows ACL bypass: if the option per_listener_settings was...","description":"Eclipse Mosquitto 1.5.x before 1.5.5 allows ACL bypass: if the option per_listener_settings was set to true, and the default listener was in use, and the default listener specified an acl_file, then the acl file was being ignored.","status":"published","published":"2022-05-13T01:19:52Z","modified":"2023-02-01T05:06:05Z","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-732"],"updated_at":"2026-11-02T14:50:19.146831Z"}],"nvd":[{"id":"CVE-2018-20145","description":"Eclipse Mosquitto 1.5.x before 1.5.5 allows ACL bypass: if the option per_listener_settings was set to true, and the default listener was in use, and the default listener specified an acl_file, then the acl file was being ignored.","status":"published","published":"2018-12-13T20:29:00.24Z","modified":"2026-06-17T01:52:20.35Z","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-732"],"updated_at":"2026-11-02T14:04:50.99633Z"}],"osv":[{"id":"CVE-2018-20145","description":"Eclipse Mosquitto 1.5.x before 1.5.5 allows ACL bypass: if the option per_listener_settings was set to true, and the default listener was in use, and the default listener specified an acl_file, then the acl file was being ignored.","status":"published","published":"2018-12-13T20:29:00.24Z","modified":"2026-10-20T13:24:25.090637137Z","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":"2026-11-02T15:44:09.145458Z"},{"id":"DEBIAN-CVE-2018-20145","description":"Eclipse Mosquitto 1.5.x before 1.5.5 allows ACL bypass: if the option per_listener_settings was set to true, and the default listener was in use, and the default listener specified an acl_file, then the acl file was being ignored.","status":"published","published":"2018-12-13T20:29:00.24Z","modified":"2026-10-23T18:04:47.282452139Z","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":"2026-11-02T15:45:30.57382Z"},{"id":"openSUSE-SU-2024:11057-1","title":"libmosquitto1-2.0.11-1.2 on GA media","description":"These are all security issues fixed in the libmosquitto1-2.0.11-1.2 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2024-06-15T00:00:00Z","modified":"2026-02-04T02:24:30.951191Z","updated_at":"2026-11-02T16:58:34.894275Z"}]}}