{"id":"CVE-2019-20031","aliases":["EUVD-2019-10587","GHSA-xmx2-vxw5-6rg6"],"status":"published","title":"NEC UM8000, UM4730 and prior non-InMail voicemail systems with all known software versions may...","description":"NEC UM8000, UM4730 and prior non-InMail voicemail systems with all known software versions may permit an infinite number of login attempts in the telephone user interface (TUI), effectively allowing brute force attacks.","severity":{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"critical","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.00999,"percentile":0.63017,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-307"],"published":"2020-07-29T17:30:02Z","modified":"2026-06-17T02:29:52Z","products":[{"vendor":"nec","product":"um4730_firmware"},{"vendor":"nec","product":"um8000_firmware"}],"references":[{"url":"https://shadytel.su/files/nec_cve.txt","tags":["x_refsource_MISC","x_transferred","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2019-20031"},{"url":"https://github.com/advisories/GHSA-xmx2-vxw5-6rg6"}],"sources":{"cve":[{"id":"CVE-2019-20031","description":"NEC UM8000, UM4730 and prior non-InMail voicemail systems with all known software versions may permit an infinite number of login attempts in the telephone user interface (TUI), effectively allowing brute force attacks.","status":"published","published":"2020-07-29T17:30:02Z","modified":"2024-08-05T02:32:10.512Z","updated_at":"2026-11-02T14:20:17.11067Z"}],"euvd":[{"id":"EUVD-2019-10587","description":"NEC UM8000, UM4730 and prior non-InMail voicemail systems with all known software versions may permit an infinite number of login attempts in the telephone user interface (TUI), effectively allowing brute force attacks.","status":"published","published":"2020-07-29T17:30:02Z","modified":"2024-08-05T02:32:10Z","updated_at":"2026-11-03T02:40:23.251012Z"}],"ghsa":[{"id":"GHSA-xmx2-vxw5-6rg6","title":"NEC UM8000, UM4730 and prior non-InMail voicemail systems with all known software versions may...","description":"NEC UM8000, UM4730 and prior non-InMail voicemail systems with all known software versions may permit an infinite number of login attempts in the telephone user interface (TUI), effectively allowing brute force attacks.","status":"published","published":"2022-05-24T17:24:35Z","modified":"2023-01-29T05:04:00Z","updated_at":"2026-11-02T14:45:27.054092Z"}],"nvd":[{"id":"CVE-2019-20031","description":"NEC UM8000, UM4730 and prior non-InMail voicemail systems with all known software versions may permit an infinite number of login attempts in the telephone user interface (TUI), effectively allowing brute force attacks.","status":"published","published":"2020-07-29T18:15:13.75Z","modified":"2026-06-17T02:29:52.517Z","cvss":[{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"critical","assessor":"primary"},{"version":"2.0","score":6.4,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-307"],"updated_at":"2026-11-02T14:05:47.558959Z"}]}}