{"affected": [{"affectedData": [{"product": "Emergency Mass Notification Systems", "vendor": "Acoustic Technology, Inc. (ATI Systems)", "versions": [{"status": "affected", "version": "The following ATI's Emergency Mass Notification Systems devices are affected: HPSS16, HPSS32, MHPSS, and ALERT4000."}]}], "source": "ics-cert@hq.dhs.gov"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:atisystem:hpss16_firmware:-:*:*:*:*:*:*:*", "matchCriteriaId": "917E3F8C-C30A-4799-99E2-9D23659CEF1F", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:atisystem:hpss16:-:*:*:*:*:*:*:*", "matchCriteriaId": "FA769624-D010-42FD-ACC4-36F86127809D", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:atisystem:hpss32_firmware:-:*:*:*:*:*:*:*", "matchCriteriaId": "69841D28-CC70-495A-9C30-EB26097C1D26", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:atisystem:hpss32:-:*:*:*:*:*:*:*", "matchCriteriaId": "9943A82F-2505-4312-A50F-F26DD55B6F38", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:atisystem:mhpss_firmware:-:*:*:*:*:*:*:*", "matchCriteriaId": "90785F63-CCB1-4EEF-BC85-691A8AB63172", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:atisystem:mhpss:-:*:*:*:*:*:*:*", "matchCriteriaId": "0013936B-C5BD-4038-8DB2-E99CF7FD2CC1", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:atisystem:alert4000_firmware:-:*:*:*:*:*:*:*", "matchCriteriaId": "572E2D4A-4F78-44F4-8C4A-D26ACFD2B8FE", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:atisystem:alert4000:-:*:*:*:*:*:*:*", "matchCriteriaId": "C6D54DF1-3301-495F-AB14-422FBC9719AC", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "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."}, {"lang": "es", "value": "En dispositivos ATI Systems Emergency Mass Notification Systems (HPSS16, HPSS32, MHPSS y ALERT4000), una vulnerabilidad de autenticaci\u00f3n incorrecta provocada por transmisiones de radio maliciosas especialmente manipuladas podr\u00eda permitir que un atacante desencadene falsas alarmas de forma remota."}], "id": "CVE-2018-8862", "lastModified": "2026-06-17T02:05:32.260", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "LOW", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "ADJACENT_NETWORK", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 2.9, "confidentialityImpact": "NONE", "integrityImpact": "PARTIAL", "vectorString": "AV:A/AC:M/Au:N/C:N/I:P/A:N", "version": "2.0"}, "exploitabilityScore": 5.5, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV30": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "ADJACENT_NETWORK", "availabilityImpact": "NONE", "baseScore": 3.1, "baseSeverity": "LOW", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N", "version": "3.0"}, "exploitabilityScore": 1.6, "impactScore": 1.4, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2018-05-25T16:29:00.277", "references": [{"source": "ics-cert@hq.dhs.gov", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://www.securityfocus.com/bid/103721"}, {"source": "ics-cert@hq.dhs.gov", "tags": ["Mitigation", "Third Party Advisory", "US Government Resource"], "url": "https://ics-cert.us-cert.gov/advisories/ICSA-18-100-01"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://www.securityfocus.com/bid/103721"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mitigation", "Third Party Advisory", "US Government Resource"], "url": "https://ics-cert.us-cert.gov/advisories/ICSA-18-100-01"}], "sourceIdentifier": "ics-cert@hq.dhs.gov", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-287"}], "source": "ics-cert@hq.dhs.gov", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-287"}], "source": "nvd@nist.gov", "type": "Primary"}]}