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CVE-2017-6421

Estado: ModificadaAlta (8.8)—
Gravedad8.8Alta · CVSS 3.0
Probabilidad de explotación0.55 %mayor que el 45 % de las CVE
Explotación activaNono figura en el catálogo de CISA
Exploit públicoNo conocidosin código público localizado

En la función de controlador táctil en todos los productos Qualcomm con Android for MSM, Firefox OS for MSM, o QRD Android, el usuario podría controlar una variable, lo que llevaría a un desbordamiento de búfer.

CVSS

Puntuación base
8.8
Versión
3.0
Vector
CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Probabilidad de explotación (EPSS)

Probabilidad de explotación en los próximos 30 días
0.55 %
Percentil entre todas las CVEs puntuadas
45
Fecha de la puntuación
22/10/2026

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).

Tecnologías afectadas (1)

Google — Android

CWE

Referencias

Mostrar las 6 referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2017-6421",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 5.8,
          "accessVector": "ADJACENT_NETWORK",
          "vectorString": "AV:A/AC:L/Au:N/C:P/I:P/A:P",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "LOW",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 6.4,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 6.5,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV30": [
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        "type": "Primary",
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        "cvssData": {
          "scope": "UNCHANGED",
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          "attackVector": "ADJACENT_NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.0/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": "product-security@qualcomm.com",
      "affectedData": [
        {
          "vendor": "Qualcomm, Inc.",
          "product": "All Qualcomm products",
          "versions": [
            {
              "status": "affected",
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            }
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  ],
  "published": "2017-08-16T15:29:00.797",
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      "url": "http://www.securitytracker.com/id/1038623",
      "tags": [
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        "VDB Entry"
      ],
      "source": "product-security@qualcomm.com"
    },
    {
      "url": "https://source.android.com/security/bulletin/2017-06-01",
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        "Vendor Advisory"
      ],
      "source": "product-security@qualcomm.com"
    },
    {
      "url": "https://source.codeaurora.org/quic/la//kernel/msm-4.4/commit/?id=be42c7ff1f0396484882451fd18f47144c8f1b6b",
      "tags": [
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      "source": "product-security@qualcomm.com"
    },
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      "tags": [
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    },
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      "url": "https://source.android.com/security/bulletin/2017-06-01",
      "tags": [
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        "Vendor Advisory"
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://source.codeaurora.org/quic/la//kernel/msm-4.4/commit/?id=be42c7ff1f0396484882451fd18f47144c8f1b6b",
      "tags": [
        "Issue Tracking",
        "Patch",
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-120"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the touch controller function in all Qualcomm products with Android for MSM, Firefox OS for MSM, or QRD Android, a variable may be controlled by the user and can lead to a buffer overflow."
    },
    {
      "lang": "es",
      "value": "En la función de controlador táctil en todos los productos Qualcomm con Android for MSM, Firefox OS for MSM, o QRD Android, el usuario podría controlar una variable, lo que llevaría a un desbordamiento de búfer."
    }
  ],
  "lastModified": "2026-06-17T01:22:19.250",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:google:android:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "8255F035-04C8-4158-B301-82101711939C"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "product-security@qualcomm.com"
}