{"id":"CVE-2025-3091","aliases":["EUVD-2025-19010","GHSA-3mpf-fhf9-62mx"],"status":"published","title":"MB connect line: Authorization bypass in mbCONNECT24/mymbCONNECT24","description":"An low privileged remote attacker in possession of the second factor for another user can login as that user without knowledge of the other user`s password.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00378,"percentile":0.32097,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-639"],"published":"2025-06-24T08:10:29Z","modified":"2026-06-17T09:19:10Z","products":[{"vendor":"helmholz","product":"myrex24"},{"vendor":"helmholz","product":"myrex24.virtual"},{"vendor":"mb connect line","product":"mbconnect24"},{"vendor":"mb connect line","product":"mymbconnect24"}],"references":[{"url":"https://certvde.com/en/advisories/VDE-2025-035"},{"url":"https://certvde.com/en/advisories/VDE-2025-038"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-3091"},{"url":"https://github.com/advisories/GHSA-3mpf-fhf9-62mx"}],"sources":{"cve":[{"id":"CVE-2025-3091","title":"MB connect line: Authorization bypass in mbCONNECT24/mymbCONNECT24","description":"An low privileged remote attacker in possession of the second factor for another user can login as that user without knowledge of the other user`s password.","status":"published","published":"2025-06-24T08:10:29.717Z","modified":"2025-06-24T13:56:13.121Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-639"],"updated_at":"2026-11-02T14:32:39.039362Z"}],"euvd":[{"id":"EUVD-2025-19010","description":"An low privileged remote attacker in possession of the second factor for another user can login as that user without knowledge of the other user`s password.","status":"published","published":"2025-06-24T08:10:29Z","modified":"2025-06-24T13:56:13Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T20:32:17.4539Z"}],"ghsa":[{"id":"GHSA-3mpf-fhf9-62mx","title":"An low privileged remote attacker in possession of the second factor for another user can login...","description":"An low privileged remote attacker in possession of the second factor for another user can login as that user without knowledge of the other user`s password.","status":"published","published":"2025-06-26T21:31:05Z","modified":"2025-06-26T21:31:12Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-639"],"updated_at":"2026-11-02T15:02:49.372577Z"}],"nvd":[{"id":"CVE-2025-3091","description":"An low privileged remote attacker in possession of the second factor for another user can login as that user without knowledge of the other user`s password.","status":"published","published":"2025-06-24T09:15:25.19Z","modified":"2026-06-17T09:19:10.517Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-639"],"updated_at":"2026-11-02T14:11:14.091082Z"}]}}