CVE-2019-20458

Estado: AplazadaAlta (8.8)—

An issue was discovered on Epson Expression Home XP255 20.08.FM10I8 devices. By default, the device comes (and functions) without a password. The user is at no point prompted to set up a password on the device (leaving a number of devices without a password). In this case, anyone connecting to the web admin panel is capable of becoming admin without using any credentials.

CVSS

Versión: 3.1
Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Puntuación base: 8.8

Probabilidad de explotación (EPSS)

Probabilidad de explotación en los próximos 30 días: 0.43%
Percentil entre todas las CVEs puntuadas: 35
Fecha de la puntuación: 5/10/2026

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).

🎯 Técnicas ATT&CK

Cómo se explota esta vulnerabilidad y qué consigue el atacante, en el lenguaje de MITRE ATT&CK.

ExplotaciónT1210 Exploitation of Remote Serviceslateral movement85 %
Impacto principalT1222 File and Directory Permissions Modificationdefense impairment90 %
Impacto secundarioT1556 Modify Authentication Processdefense impairment · persistence · credential access75 %

AV:A (red adyacente) y PR:N (sin privilegios) indican T1210. El texto sustenta acceso a panel admin sin credenciales (T1222: permisos sin autenticación). Impacto secundario T1556 por cambio de configuración de dispositivo.

Inferido por nuestro agente de análisis a partir de la descripción oficial, el vector CVSS y la CWE, y comprobado por un supervisor. Puede contener errores.

🛡️ Mitigaciones ATT&CK que cubren estas técnicas

Privileged Account Management Restrict File and Directory Permissions Vulnerability Scanning User Account Management Threat Intelligence Program Restrict Registry Permissions

Tecnologías afectadas (1)

⚠ Inferidas por IA a partir de la descripción — NVD aún no ha analizado esta CVE; no son CPE verificados.

Epson — Expression Home Xp255^AI

CWE

CWE-276

Referencias

JSON original (NVD)

Mostrar

{
  "id": "CVE-2019-20458",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2019-20458",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2024-11-08T16:41:30.474650Z"
        }
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 8.8,
          "attackVector": "ADJACENT_NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.9,
        "exploitabilityScore": 2.8
      }
    ]
  },
  "affected": [
    {
      "source": "cve@mitre.org",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    },
    {
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "affectedData": [
        {
          "cpes": [
            "cpe:2.3:h:epson:xp-255:*:*:*:*:*:*:*:*"
          ],
          "vendor": "epson",
          "product": "xp-255",
          "versions": [
            {
              "status": "affected",
              "version": "20.08.fm10i8"
            }
          ],
          "defaultStatus": "unknown"
        }
      ]
    }
  ],
  "published": "2024-11-07T18:15:15.170",
  "references": [
    {
      "url": "https://epson.com/Support/wa00826",
      "source": "cve@mitre.org"
    },
    {
      "url": "https://seclists.org/fulldisclosure/2024/Jul/14",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://seclists.org/fulldisclosure/2024/Jul/14",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Deferred",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "description": [
        {
          "lang": "en",
          "value": "CWE-276"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "An issue was discovered on Epson Expression Home XP255 20.08.FM10I8 devices. By default, the device comes (and functions) without a password. The user is at no point prompted to set up a password on the device (leaving a number of devices without a password). In this case, anyone connecting to the web admin panel is capable of becoming admin without using any credentials."
    },
    {
      "lang": "es",
      "value": "Se descubrió un problema en dispositivos Epson Expression Home XP255 20.08.FM10I8. Por defecto, el dispositivo viene (y funciona) sin contraseña. En ningún momento se le solicita al usuario configurar una contraseña en el dispositivo (dejando un número de dispositivos sin contraseña). En este caso, cualquiera que se conecte al panel de administración web es capaz de convertirse en administrador sin usar ninguna credencial."
    }
  ],
  "lastModified": "2026-06-17T02:30:29.510",
  "sourceIdentifier": "cve@mitre.org"
}