{"cve":"CVE-2025-70340","nvd":{"published":"2026-08-26T20:16:59.823","modified":"2026-10-26T21:10:00.170","status":"Deferred","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.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N","score":6.5},"cwes":["CWE-284"],"references":["https://github.com/thingsboard/thingsboard","https://thingsboard.io/docs/releases/releases-table/v4-2-x/"],"products":[],"source":"nvd","synced_at":"2026-10-26T21:38:48.864438205+00:00"},"epss":{"cve":"CVE-2025-70340","score":0.00311,"percentile":0.23782,"date":"2026-10-26"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}