{"id":"CVE-2019-5062","aliases":["DEBIAN-CVE-2019-5062","EUVD-2019-14669","GHSA-gv78-7qxh-6mj5","UBUNTU-CVE-2019-5062"],"status":"published","title":"An exploitable denial-of-service vulnerability exists in the 802.11w security state handling for...","description":"An exploitable denial-of-service vulnerability exists in the 802.11w security state handling for hostapd 2.6 connected clients with valid 802.11w sessions. By simulating an incomplete new association, an attacker can trigger a deauthentication against stations using 802.11w, resulting in a denial of service.","severity":{"version":"3.0","score":7.4,"vector":"CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00568,"percentile":0.47345,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-20","CWE-346","CWE-440"],"published":"2019-12-12T21:36:54Z","modified":"2026-10-17T12:55:50Z","affected":[{"source":"osv","ecosystem":"Debian:12","package":"wpa","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2:2.10-12","2:2.10-12+deb12u1","2:2.10-12+deb12u2","2:2.10-12+deb12u3","2:2.10-13","2:2.10-14","2:2.10-15","2:2.10-16","2:2.10-17","2:2.10-18","2:2.10-20","2:2.10-21","2:2.10-21.1","2:2.10-22","2:2.10-23","2:2.10-24","2:2.10-25","2:2.11-1","2:2.11-2"]},{"source":"osv","ecosystem":"Debian:13","package":"wpa","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2:2.10-24","2:2.10-25","2:2.11-1","2:2.11-2"]},{"source":"osv","ecosystem":"Debian:14","package":"wpa","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2:2.10-24","2:2.10-25","2:2.11-1","2:2.11-2"]},{"source":"osv","ecosystem":"Ubuntu:Pro:14.04:LTS","package":"wpa","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.0-3ubuntu2","1.0-3ubuntu3","1.0-3ubuntu4","2.1-0ubuntu1","2.1-0ubuntu1.1","2.1-0ubuntu1.2","2.1-0ubuntu1.3","2.1-0ubuntu1.4","2.1-0ubuntu1.5","2.1-0ubuntu1.6","2.1-0ubuntu1.7","2.1-0ubuntu1.7+esm1","2.1-0ubuntu1.7+esm2","2.1-0ubuntu1.7+esm3","2.1-0ubuntu1.7+esm4","2.1-0ubuntu1.7+esm5"]},{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"wpa","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.4-0ubuntu3","2.4-0ubuntu4","2.4-0ubuntu5","2.4-0ubuntu6","2.4-0ubuntu6.2","2.4-0ubuntu6.3","2.4-0ubuntu6.4","2.4-0ubuntu6.5","2.4-0ubuntu6.6","2.4-0ubuntu6.7","2.4-0ubuntu6.8","2.4-0ubuntu6.8+esm1"]},{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"wpa","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.4-0ubuntu10","2:2.4-1.1ubuntu1","2:2.6-15ubuntu1","2:2.6-15ubuntu2","2:2.6-15ubuntu2.1","2:2.6-15ubuntu2.2","2:2.6-15ubuntu2.3","2:2.6-15ubuntu2.4","2:2.6-15ubuntu2.5","2:2.6-15ubuntu2.6","2:2.6-15ubuntu2.7","2:2.6-15ubuntu2.8","2:2.6-15ubuntu2.8+esm1"]},{"source":"osv","ecosystem":"Ubuntu:20.04:LTS","package":"wpa","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2:2.9-1ubuntu2","2:2.9-1ubuntu3","2:2.9-1ubuntu4","2:2.9-1ubuntu4.1","2:2.9-1ubuntu4.2","2:2.9-1ubuntu4.3","2:2.9-1ubuntu4.4","2:2.9-1ubuntu4.6"]},{"source":"osv","ecosystem":"Ubuntu:22.04:LTS","package":"wpa","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2:2.9.0-21build1","2:2.9.0-23","2:2.10-1","2:2.10-2","2:2.10-6","2:2.10-6ubuntu1","2:2.10-6ubuntu2","2:2.10-6ubuntu2.1","2:2.10-6ubuntu2.2","2:2.10-6ubuntu2.3","2:2.10-6ubuntu2.4"]},{"source":"osv","ecosystem":"Ubuntu:24.04:LTS","package":"wpa","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2:2.10-15","2:2.10-18","2:2.10-20","2:2.10-21","2:2.10-21build2","2:2.10-21build3","2:2.10-21build4","2:2.10-21ubuntu0.1","2:2.10-21ubuntu0.2","2:2.10-21ubuntu0.3","2:2.10-21ubuntu0.4"]},{"source":"osv","ecosystem":"Ubuntu:25.10","package":"wpa","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2:2.10-24","2:2.11-0ubuntu1","2:2.11-0ubuntu2","2:2.11-0ubuntu3","2:2.11-0ubuntu4"]},{"source":"osv","ecosystem":"Ubuntu:26.10","package":"wpa","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2:2.11-0ubuntu5","2:2.11-2ubuntu2"]},{"source":"osv","ecosystem":"Ubuntu:26.04:LTS","package":"wpa","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2:2.11-0ubuntu4","2:2.11-0ubuntu5"]}],"products":[{"vendor":"w1.fi","product":"hostapd"}],"references":[{"url":"https://talosintelligence.com/vulnerability_reports/TALOS-2019-0850","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","advisory","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2019-5062"},{"url":"https://github.com/advisories/GHSA-gv78-7qxh-6mj5"},{"url":"https://security-tracker.debian.org/tracker/CVE-2019-5062","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2019-5062","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2019-5062","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2019-5062","description":"An exploitable denial-of-service vulnerability exists in the 802.11w security state handling for hostapd 2.6 connected clients with valid 802.11w sessions. By simulating an incomplete new association, an attacker can trigger a deauthentication against stations using 802.11w, resulting in a denial of service.","status":"published","published":"2019-12-12T21:36:54Z","modified":"2024-08-04T19:47:55.621Z","cvss":[{"version":"3.0","score":7.4,"vector":"CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-440"],"updated_at":"2026-11-02T14:20:18.411291Z"}],"euvd":[{"id":"EUVD-2019-14669","description":"An exploitable denial-of-service vulnerability exists in the 802.11w security state handling for hostapd 2.6 connected clients with valid 802.11w sessions. By simulating an incomplete new association, an attacker can trigger a deauthentication against stations using 802.11w, resulting in a denial of service.","status":"published","published":"2019-12-12T21:36:54Z","modified":"2024-08-04T19:47:55Z","cvss":[{"version":"3.0","score":7.4,"vector":"CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-03T03:06:53.888525Z"}],"ghsa":[{"id":"GHSA-gv78-7qxh-6mj5","title":"An exploitable denial-of-service vulnerability exists in the 802.11w security state handling for...","description":"An exploitable denial-of-service vulnerability exists in the 802.11w security state handling for hostapd 2.6 connected clients with valid 802.11w sessions. By simulating an incomplete new association, an attacker can trigger a deauthentication against stations using 802.11w, resulting in a denial of service.","status":"published","published":"2022-05-24T17:03:34Z","modified":"2024-04-04T02:43:13Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"cwes":["CWE-20","CWE-346","CWE-440"],"updated_at":"2026-11-02T14:56:11.047077Z"}],"nvd":[{"id":"CVE-2019-5062","description":"An exploitable denial-of-service vulnerability exists in the 802.11w security state handling for hostapd 2.6 connected clients with valid 802.11w sessions. By simulating an incomplete new association, an attacker can trigger a deauthentication against stations using 802.11w, resulting in a denial of service.","status":"published","published":"2019-12-12T22:15:11.127Z","modified":"2026-06-17T02:37:03.963Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary"},{"version":"3.0","score":7.4,"vector":"CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H","level":"high","assessor":"secondary"},{"version":"2.0","score":3.3,"vector":"AV:A/AC:L/Au:N/C:N/I:N/A:P","level":"low","assessor":"primary"}],"cwes":["CWE-440","CWE-346"],"updated_at":"2026-11-02T14:05:40.258829Z"}],"osv":[{"id":"CVE-2019-5062","description":"An exploitable denial-of-service vulnerability exists in the 802.11w security state handling for hostapd 2.6 connected clients with valid 802.11w sessions. By simulating an incomplete new association, an attacker can trigger a deauthentication against stations using 802.11w, resulting in a denial of service.","status":"published","published":"2019-12-12T22:15:11.127Z","modified":"2026-03-14T09:38:29.915201Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:44:12.363788Z"},{"id":"DEBIAN-CVE-2019-5062","description":"An exploitable denial-of-service vulnerability exists in the 802.11w security state handling for hostapd 2.6 connected clients with valid 802.11w sessions. By simulating an incomplete new association, an attacker can trigger a deauthentication against stations using 802.11w, resulting in a denial of service.","status":"published","published":"2019-12-12T22:15:11.127Z","modified":"2026-09-21T07:03:19.127281431Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:45:32.221385Z"},{"id":"UBUNTU-CVE-2019-5062","description":"An exploitable denial-of-service vulnerability exists in the 802.11w security state handling for hostapd 2.6 connected clients with valid 802.11w sessions. By simulating an incomplete new association, an attacker can trigger a deauthentication against stations using 802.11w, resulting in a denial of service.","status":"published","published":"2019-12-12T22:15:00Z","modified":"2026-10-17T12:55:50.228417788Z","cvss":[{"version":"3.0","score":7.4,"vector":"CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H","level":"high"},{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:54:21.741399Z"}]}}