{"dataType": "CVE_RECORD", "cveMetadata": {"state": "PUBLISHED", "cveId": "CVE-2025-70340", "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "dateUpdated": "2026-08-26T19:09:02.220Z", "dateReserved": "2026-01-09T00:00:00.000Z", "datePublished": "2026-08-26T00:00:00.000Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre", "dateUpdated": "2026-08-26T19:09:02.220Z"}, "descriptions": [{"lang": "en", "value": "A Broken Access Control vulnerability exists in ThingsBoard Professional Edition (PE) 4.21 and below, within the Alarms comments functionality. An authenticated customer user can manipulate the respective API request parameters to create or modify system-generated alarm comments. This allows unauthorized impersonation of system messages and modification of trusted system-owned data, resulting in vertical privilege escalation and potential integrity violations."}], "affected": [{"vendor": "n/a", "product": "n/a", "versions": [{"version": "n/a", "status": "affected"}]}], "references": [{"url": "https://github.com/thingsboard/thingsboard"}, {"url": "https://thingsboard.io/docs/releases/releases-table/v4-2-x/"}], "problemTypes": [{"descriptions": [{"type": "text", "lang": "en", "description": "n/a"}]}]}}, "dataVersion": "5.2"}

{}

{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "cve@mitre.org"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "A Broken Access Control vulnerability exists in ThingsBoard Professional Edition (PE) 4.21 and below, within the Alarms comments functionality. An authenticated customer user can manipulate the respective API request parameters to create or modify system-generated alarm comments. This allows unauthorized impersonation of system messages and modification of trusted system-owned data, resulting in vertical privilege escalation and potential integrity violations."}], "id": "CVE-2025-70340", "lastModified": "2026-08-26T20:16:59.823", "metrics": {}, "published": "2026-08-26T20:16:59.823", "references": [{"source": "cve@mitre.org", "url": "https://github.com/thingsboard/thingsboard"}, {"source": "cve@mitre.org", "url": "https://thingsboard.io/docs/releases/releases-table/v4-2-x/"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Received"}

{}

{"created": "2026-08-26T21:30:12.352541+00:00", "title": "Broken Access Control in ThingsBoard Alarm Comments Enables Privilege Escalation", "updated": "2026-08-26T21:30:12.352547+00:00", "vendors": [], "weaknesses": ["CWE-284", "CWE-285"]}