CVE-2026-8067

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-8067", "assignerOrgId": "e383dce4-0c27-4495-91c4-0db157728d17", "state": "PUBLISHED", "assignerShortName": "Hitachi Energy", "dateReserved": "2026-05-07T05:51:59.463Z", "datePublished": "2026-09-29T09:33:52.627Z", "dateUpdated": "2026-09-29T15:05:10.350Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "e383dce4-0c27-4495-91c4-0db157728d17", "shortName": "Hitachi Energy", "dateUpdated": "2026-09-29T12:51:51.369Z"}, "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-862", "description": "CWE-862 Missing authorization", "type": "CWE"}]}], "impacts": [{"capecId": "CAPEC-595", "descriptions": [{"lang": "en", "value": "CAPEC-595 Connection Reset"}]}], "affected": [{"vendor": "Hitachi Energy", "product": "RTU500 series CMU firmware", "versions": [{"status": "affected", "version": "9.0", "lessThan": "12.0", "versionType": "custom"}], "defaultStatus": "unaffected"}], "descriptions": [{"lang": "en", "value": "An improper authorization vulnerability in the end-of-life versions of RTU500\u2019s web application allows an authenticated user to trigger the RTU500 to reboot through the reset endpoint. Successful exploitation could cause temporary device unavailability and disruption of its intended operation.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "An improper authorization vulnerability in the end-of-life versions of RTU500\u2019s web application allows an authenticated user to trigger the RTU500 to reboot through the reset endpoint. Successful exploitation could cause temporary device unavailability and disruption of its intended operation."}]}], "references": [{"url": "https://publisher.hitachienergy.com/preview?DocumentID=8DBD000251&LanguageCode=en&DocumentPartId=&Action=Launch"}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV3_1": {"version": "3.1", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "HIGH", "baseSeverity": "MEDIUM", "baseScore": 6.5, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"}}], "source": {"discovery": "UNKNOWN"}, "x_generator": {"engine": "Vulnogram 0.5.0"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-09-29T15:04:54.700468Z", "id": "CVE-2026-8067", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-09-29T15:05:10.350Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-8067", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-09-29T15:04:54.700468Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-09-29T15:05:05.788Z"}}], "cna": {"source": {"discovery": "UNKNOWN"}, "impacts": [{"capecId": "CAPEC-595", "descriptions": [{"lang": "en", "value": "CAPEC-595 Connection Reset"}]}], "metrics": [{"format": "CVSS", "cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 6.5, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "NONE"}, "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "affected": [{"vendor": "Hitachi Energy", "product": "RTU500 series CMU firmware", "versions": [{"status": "affected", "version": "9.0", "lessThan": "12.0", "versionType": "custom"}], "defaultStatus": "unaffected"}], "references": [{"url": "https://publisher.hitachienergy.com/preview?DocumentID=8DBD000251&LanguageCode=en&DocumentPartId=&Action=Launch"}], "x_generator": {"engine": "Vulnogram 0.5.0"}, "descriptions": [{"lang": "en", "value": "An improper authorization vulnerability in the end-of-life versions of RTU500\u2019s web application allows an authenticated user to trigger the RTU500 to reboot through the reset endpoint. Successful exploitation could cause temporary device unavailability and disruption of its intended operation.", "supportingMedia": [{"type": "text/html", "value": "An improper authorization vulnerability in the end-of-life versions of RTU500\u2019s web application allows an authenticated user to trigger the RTU500 to reboot through the reset endpoint. Successful exploitation could cause temporary device unavailability and disruption of its intended operation.", "base64": false}]}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-862", "description": "CWE-862 Missing authorization"}]}], "providerMetadata": {"orgId": "e383dce4-0c27-4495-91c4-0db157728d17", "shortName": "Hitachi Energy", "dateUpdated": "2026-09-29T12:51:51.369Z"}}}, "cveMetadata": {"cveId": "CVE-2026-8067", "state": "PUBLISHED", "dateUpdated": "2026-09-29T15:05:10.350Z", "dateReserved": "2026-05-07T05:51:59.463Z", "assignerOrgId": "e383dce4-0c27-4495-91c4-0db157728d17", "datePublished": "2026-09-29T09:33:52.627Z", "assignerShortName": "Hitachi Energy"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "RTU500 series CMU firmware", "vendor": "Hitachi Energy", "versions": [{"lessThan": "12.0", "status": "affected", "version": "9.0", "versionType": "custom"}]}], "source": "cybersecurity@hitachienergy.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "An improper authorization vulnerability in the end-of-life versions of RTU500\u2019s web application allows an authenticated user to trigger the RTU500 to reboot through the reset endpoint. Successful exploitation could cause temporary device unavailability and disruption of its intended operation."}], "id": "CVE-2026-8067", "lastModified": "2026-09-29T21:39:02.570", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 3.6, "source": "cybersecurity@hitachienergy.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-8067", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-09-29T15:04:54.700468Z", "version": "2.0.3"}}]}, "published": "2026-09-29T10:17:13.397", "references": [{"source": "cybersecurity@hitachienergy.com", "url": "https://publisher.hitachienergy.com/preview?DocumentID=8DBD000251&LanguageCode=en&DocumentPartId=&Action=Launch"}], "sourceIdentifier": "cybersecurity@hitachienergy.com", "vulnStatus": "Awaiting Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-862"}], "source": "cybersecurity@hitachienergy.com", "type": "Secondary"}]}

{}

{"created": "2026-09-29T15:45:18.441996+00:00", "updated": "2026-09-30T04:15:08.186676+00:00", "vendors": []}