{"identifier":"CVE-2025-70340","cve":{"id":"CVE-2025-70340","description":"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.","published":"2026-08-26T20:16:59.823000+00:00","modified":"2026-10-26T21:10:00.170000+00:00","status":"Deferred","score":6.5,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N","cvss_version":"3.1","affected":[],"weaknesses":["CWE-284"],"references":[{"url":"https://github.com/thingsboard/thingsboard","source":"cve@mitre.org"},{"url":"https://thingsboard.io/docs/releases/releases-table/v4-2-x/","source":"cve@mitre.org"}],"kev":null,"kev_checked":true,"metrics":{"cvssMetricV31":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N","baseScore":6.5,"baseSeverity":"MEDIUM","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"HIGH","availabilityImpact":"NONE"},"exploitabilityScore":2.8,"impactScore":3.6}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"timestamp":"2026-09-01T18:40:29.848653Z","id":"CVE-2025-70340","options":[{"exploitation":"none"},{"automatable":"no"},{"technicalImpact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}]},"configurations":[],"source":"nvd","retrieved_at":"2026-10-28T10:25:58.423754+00:00","exploited":false,"kev_stale":false,"products":[],"priority":{"label":"Assess exposure and vendor guidance","reasons":["No higher-priority signal is available in the current stored evidence."]},"epss":{"probability":0.00311,"percentile":0.23971,"date":"2026-10-29","stale":false},"version_assessment":null},"news":[],"campaigns":[],"domains":[{"domain":"github.com","source_url":"https://github.com/thingsboard/thingsboard","investigate_url":"https://investigate.aeglixmind.com/#github.com"},{"domain":"thingsboard.io","source_url":"https://thingsboard.io/docs/releases/releases-table/v4-2-x/","investigate_url":"https://investigate.aeglixmind.com/#thingsboard.io"}],"arsenal_url":"https://arsenal.aeglixmind.com/?cve=CVE-2025-70340","catalog_url":"https://cves.aeglixmind.com/cve/CVE-2025-70340","research_url":"https://investigate.aeglixmind.com/research/cve/CVE-2025-70340","coverage":{"news_candidates_checked":0,"campaign_candidates_checked":0,"bounded":false,"notice":"Exact CVE mentions in stored public excerpts and reviewed campaign content only. A mention is not proof of exploitation, attribution or tool suitability. Missing matches do not establish absence."}}