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CVE-2018-7987

Estado: ModificadaMedia (5.9)—

There is an out-of-bounds write vulnerability on Huawei P20 smartphones with versions before 8.1.0.171(C00). The software does not handle the response message properly when the user doing certain inquiry operation, an attacker could send crafted message to the device, successful exploit could cause a denial of service condition.

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 (1)

Huawei — P20 Firmware

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2018-7987",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 4.3,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:P",
          "authentication": "NONE",
          "integrityImpact": "NONE",
          "accessComplexity": "MEDIUM",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "NONE"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 8.6,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV30": [
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        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
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          "baseScore": 5.9,
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "HIGH",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 2.2
      }
    ]
  },
  "affected": [
    {
      "source": "psirt@huawei.com",
      "affectedData": [
        {
          "vendor": "Huawei Technologies Co., Ltd.",
          "product": "Huawei P20",
          "versions": [
            {
              "status": "affected",
              "version": "the versions before 8.1.0.171(C00)"
            }
          ]
        }
      ]
    }
  ],
  "published": "2018-12-04T18:29:00.357",
  "references": [
    {
      "url": "http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20181128-02-smartphone-en",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "psirt@huawei.com"
    },
    {
      "url": "http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20181128-02-smartphone-en",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-787"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "There is an out-of-bounds write vulnerability on Huawei P20 smartphones with versions before 8.1.0.171(C00). The software does not handle the response message properly when the user doing certain inquiry operation, an attacker could send crafted message to the device, successful exploit could cause a denial of service condition."
    },
    {
      "lang": "es",
      "value": "Hay una vulnerabilidad de escritura fuera de límites en los smartphones Huawei P20 con versiones anteriores a la 8.1.0.171(C00). El software no maneja el mensaje de respuesta correctamente cuando el usuario realiza ciertas operaciones de consulta; un atacante podría provocar una condición de denegación de servicio (DoS)."
    }
  ],
  "lastModified": "2026-06-17T02:04:01.810",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
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              "matchCriteriaId": "47083D73-ED2F-4EC9-9A06-66A4C048D9DB",
              "versionEndExcluding": "8.1.0.171\\(c00\\)"
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          ],
          "operator": "OR"
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      ],
      "operator": "AND"
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  ],
  "sourceIdentifier": "psirt@huawei.com"
}