Comelit Multi-User Gateway for VIP System (model 1456B) firmware versions 2.9.1 and 2.10.0 fail to enforce server-side authorization on an administrative password-change function. An authenticated user level can invoke this function to overwrite the installer (administrator) account password.
"}]}],"references":[{"url":"https://pro.comelitgroup.com/en-us/product/1456B","name":"Comelit 1456B product page","tags":["product"]},{"url":"https://accesscontrol.fail/comelit-1456b/"}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV3_1":{"version":"3.1","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH","baseSeverity":"HIGH","baseScore":8.8,"vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"}}],"workarounds":[{"lang":"en","value":"The vendor does not consider this a defect and has stated it will not be fixed, so the device's built-in role separation cannot be relied upon. As a mitigation, treat every account on the device as an administrator-equivalent account. Additionally, restrict network access to the device management interface to trusted administrators only.","supportingMedia":[{"type":"text/html","base64":false,"value":"The vendor does not consider this a defect and has stated it will not be fixed, so the device's built-in role separation cannot be relied upon. As a mitigation, treat every account on the device as an administrator-equivalent account. Additionally, restrict network access to the device management interface to trusted administrators only.
"}]}],"timeline":[{"time":"2026-03-22T00:00:00.000Z","lang":"en","value":"Vulnerability discovered during web endpoint authorization testing and reported to Comelit"},{"time":"2026-03-30T00:00:00.000Z","lang":"en","value":"Comelit acknowledged receipt and assigned vendor tracking ID VMP-40"},{"time":"2026-04-10T00:00:00.000Z","lang":"en","value":"Comelit declined to remediate, classifying the behavior as intended; finder contested this classification as a breach of privilege separation"},{"time":"2026-06-06T00:00:00.000Z","lang":"en","value":"Coordinated disclosure filed with NCSC-FI (Traficom) requesting vendor coordination"}],"credits":[{"lang":"en","value":"Teemu Tapanila","type":"finder"},{"lang":"en","value":"Juha Jussila","type":"finder"}],"source":{"discovery":"EXTERNAL"},"x_generator":{"engine":"Vulnogram 1.0.5"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-10-01T15:32:58.651997Z","id":"CVE-2026-80275","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-10-01T15:33:09.966Z"}}]}}