CVE-2020-5551

{
  "id": "CVE-2020-5551",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 5.4,
          "accessVector": "ADJACENT_NETWORK",
          "vectorString": "AV:A/AC:M/Au:N/C:P/I:P/A:P",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "MEDIUM",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 6.4,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 5.5,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "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": "vultures@jpcert.or.jp",
      "affectedData": [
        {
          "vendor": "TOYOTA MOTOR CORPORATION",
          "product": "DCU (Display Control Unit)",
          "versions": [
            {
              "status": "affected",
              "version": "2017 Model Year"
            }
          ]
        }
      ]
    }
  ],
  "published": "2020-03-30T05:15:27.140",
  "references": [
    {
      "url": "https://global.toyota/en/newsroom/corporate/32120629.html",
      "tags": [
        "Exploit",
        "Vendor Advisory"
      ],
      "source": "vultures@jpcert.or.jp"
    },
    {
      "url": "https://jvn.jp/en/vu/JVNVU99396686/index.html",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "vultures@jpcert.or.jp"
    },
    {
      "url": "https://global.toyota/en/newsroom/corporate/32120629.html",
      "tags": [
        "Exploit",
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://jvn.jp/en/vu/JVNVU99396686/index.html",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-276"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Toyota 2017 Model Year DCU (Display Control Unit) allows an unauthenticated attacker within Bluetooth range to cause a denial of service attack and/or execute an arbitrary command. The affected DCUs are installed in Lexus (LC, LS, NX, RC, RC F), TOYOTA CAMRY, and TOYOTA SIENNA manufactured in the regions other than Japan from Oct. 2016 to Oct. 2019. An attacker with certain knowledge on the target vehicle control system may be able to send some diagnostic commands to ECUs with some limited availability impacts; the vendor states critical vehicle controls such as driving, turning, and stopping are not affected."
    },
    {
      "lang": "es",
      "value": "Toyota 2017 Model Year DCU (Display Control Unit), permite a un atacante no autenticado dentro del alcance de Bluetooth causar un ataque de denegación de servicio y/o ejecutar un comando arbitrario. Las DCU afectadas se instalaron en Lexus (LC, LS, NX, RC, RC F), TOYOTA CAMRY y TOYOTA SIENNA fabricadas en regiones diferentes del Japón desde octubre de 2016 hasta octubre de 2019. Un atacante con cierto conocimiento sobre el sistema de control del vehículo objetivo puede ser capaz de enviar algunos comandos de diagnóstico hacia las ECU con algunos impactos de disponibilidad limitada; el vendedor declara que los controles críticos del vehículo, tales como conducir, girar y detenerse, no están afectadas."
    }
  ],
  "lastModified": "2026-06-17T03:21:35.360",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:h:toyota:display_control_unit:-:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "0C7CAA8A-7EE5-4248-8BE5-3B0CE42B9B3E"
            }
          ],
          "operator": "OR"
        }
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  ],
  "sourceIdentifier": "vultures@jpcert.or.jp"
}