{"id":"CVE-2018-8862","aliases":["EUVD-2018-20470","GHSA-fpp6-xw3r-cjjx"],"status":"published","title":"In ATI Systems Emergency Mass Notification Systems (HPSS16, HPSS32, MHPSS, and ALERT4000) devices...","description":"In ATI Systems Emergency Mass Notification Systems (HPSS16, HPSS32, MHPSS, and ALERT4000) devices, an improper authentication vulnerability caused by specially crafted malicious radio transmissions may allow an attacker to remotely trigger false alarms.","severity":{"version":"3.0","score":3.1,"vector":"CVSS:3.0/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N","level":"low","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.0056,"percentile":0.46841,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-287"],"published":"2018-05-25T16:00:00Z","modified":"2026-06-17T02:05:32Z","products":[{"vendor":"acoustic technology, inc. (ati systems)","product":"emergency mass notification systems"},{"vendor":"atisystem","product":"alert4000_firmware"},{"vendor":"atisystem","product":"hpss16_firmware"},{"vendor":"atisystem","product":"hpss32_firmware"},{"vendor":"atisystem","product":"mhpss_firmware"}],"references":[{"url":"http://www.securityfocus.com/bid/103721","tags":["vdb-entry","x_refsource_BID","x_transferred","Third Party Advisory","VDB Entry"]},{"url":"https://ics-cert.us-cert.gov/advisories/ICSA-18-100-01","tags":["x_refsource_MISC","x_transferred","Mitigation","Third Party Advisory","US Government Resource"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-8862"},{"url":"https://github.com/advisories/GHSA-fpp6-xw3r-cjjx"}],"sources":{"cve":[{"id":"CVE-2018-8862","description":"In ATI Systems Emergency Mass Notification Systems (HPSS16, HPSS32, MHPSS, and ALERT4000) devices, an improper authentication vulnerability caused by specially crafted malicious radio transmissions may allow an attacker to remotely trigger false alarms.","status":"published","published":"2018-05-25T16:00:00Z","modified":"2024-09-16T18:14:37.679Z","cwes":["CWE-287"],"updated_at":"2026-11-02T14:35:04.172099Z"}],"euvd":[{"id":"EUVD-2018-20470","description":"In ATI Systems Emergency Mass Notification Systems (HPSS16, HPSS32, MHPSS, and ALERT4000) devices, an improper authentication vulnerability caused by specially crafted malicious radio transmissions may allow an attacker to remotely trigger false alarms.","status":"published","published":"2018-05-25T16:00:00Z","modified":"2024-09-16T18:14:37Z","updated_at":"2026-11-03T00:55:34.393488Z"}],"ghsa":[{"id":"GHSA-fpp6-xw3r-cjjx","title":"In ATI Systems Emergency Mass Notification Systems (HPSS16, HPSS32, MHPSS, and ALERT4000) devices...","description":"In ATI Systems Emergency Mass Notification Systems (HPSS16, HPSS32, MHPSS, and ALERT4000) devices, an improper authentication vulnerability caused by specially crafted malicious radio transmissions may allow an attacker to remotely trigger false alarms.","status":"published","published":"2022-05-13T01:31:44Z","modified":"2023-02-01T05:08:01Z","cvss":[{"version":"3.0","score":3.1,"vector":"CVSS:3.0/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N","level":"low"}],"cwes":["CWE-287"],"updated_at":"2026-11-02T14:50:40.02829Z"}],"nvd":[{"id":"CVE-2018-8862","description":"In ATI Systems Emergency Mass Notification Systems (HPSS16, HPSS32, MHPSS, and ALERT4000) devices, an improper authentication vulnerability caused by specially crafted malicious radio transmissions may allow an attacker to remotely trigger false alarms.","status":"published","published":"2018-05-25T16:29:00.277Z","modified":"2026-06-17T02:05:32.26Z","cvss":[{"version":"3.0","score":3.1,"vector":"CVSS:3.0/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N","level":"low","assessor":"primary"},{"version":"2.0","score":2.9,"vector":"AV:A/AC:M/Au:N/C:N/I:P/A:N","level":"low","assessor":"primary"}],"cwes":["CWE-287"],"updated_at":"2026-11-02T14:04:28.483469Z"}]}}