{"id":"CVE-2025-3092","aliases":["EUVD-2025-19011","GHSA-w2r4-cm6p-7h86"],"status":"published","title":"MB connect line: Observable response discrepancy in mbCONNECT24/mymbCONNECT24","description":"An unauthenticated remote attacker can enumerate valid user names from an unprotected endpoint.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00469,"percentile":0.40894,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-204"],"published":"2025-06-24T08:14:31Z","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-2025-3092"},{"url":"https://github.com/advisories/GHSA-w2r4-cm6p-7h86"}],"sources":{"cve":[{"id":"CVE-2025-3092","title":"MB connect line: Observable response discrepancy in mbCONNECT24/mymbCONNECT24","description":"An unauthenticated remote attacker can enumerate valid user names from an unprotected endpoint.","status":"published","published":"2025-06-24T08:14:31.864Z","modified":"2025-06-24T13:55:34.477Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"cna"}],"cwes":["CWE-204"],"updated_at":"2026-11-02T14:32:39.378527Z"}],"euvd":[{"id":"EUVD-2025-19011","description":"An unauthenticated remote attacker can enumerate valid user names from an unprotected endpoint.","status":"published","published":"2025-06-24T08:14:31Z","modified":"2025-06-24T13:55:34Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high"}],"updated_at":"2026-11-02T20:32:17.4539Z"}],"ghsa":[{"id":"GHSA-w2r4-cm6p-7h86","title":"An unauthenticated remote attacker can enumerate valid user names from an unprotected endpoint.","description":"An unauthenticated remote attacker can enumerate valid user names from an unprotected endpoint.","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:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high"}],"cwes":["CWE-204"],"updated_at":"2026-11-02T15:02:49.372577Z"}],"nvd":[{"id":"CVE-2025-3092","description":"An unauthenticated remote attacker can enumerate valid user names from an unprotected endpoint.","status":"published","published":"2025-06-24T09:15:25.407Z","modified":"2026-06-17T09:19:10.62Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"secondary"}],"cwes":["CWE-204"],"updated_at":"2026-11-02T14:11:14.091082Z"}]}}