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CVE-2019-20031

Estado: ModificadaCrítica (9.1)—

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.

CVSS

Probabilidad de explotación (EPSS)

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

Tecnologías afectadas (2)

NEC — Um4730 FirmwareNEC — Um8000 Firmware

CWE

Referencias

JSON original (NVD)

Mostrar
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  "id": "CVE-2019-20031",
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          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:N",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "LOW",
          "availabilityImpact": "NONE",
          "confidentialityImpact": "PARTIAL"
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        "acInsufInfo": false,
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          "baseSeverity": "CRITICAL",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "NONE",
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  "affected": [
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      "affectedData": [
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  "published": "2020-07-29T18:15:13.750",
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      "tags": [
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    },
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      "value": "NEC UM8000, UM4730 y anteriores a sistemas de correo de voz que no son InMail con todas las versiones de software conocidas pueden permitir un número infinito de intentos de inicio de sesión en la interfaz de usuario del teléfono (TUI), permitiendo efectivamente ataques de fuerza bruta"
    }
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  "lastModified": "2026-06-17T02:29:52.517",
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