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CVE-2020-12746

Estado: ModificadaCrítica (9.8)—

Se detectó un problema en los dispositivos móviles Samsung con versiones de software O(8.X), P(9.0) y Q(10.0) (chipsets Exynos). Los atacantes pueden omitir el mecanismo de protección del Cargador de Arranque por medio de un desbordamiento de búfer en la región heap de la memoria para ejecutar código arbitrario. El ID de Samsung es SVE-2020-16712 (Mayo de 2020).

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)

Google — Android

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2020-12746",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 10,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:N/C:C/I:C/A:C",
          "authentication": "NONE",
          "integrityImpact": "COMPLETE",
          "accessComplexity": "LOW",
          "availabilityImpact": "COMPLETE",
          "confidentialityImpact": "COMPLETE"
        },
        "acInsufInfo": false,
        "impactScore": 10,
        "baseSeverity": "HIGH",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 10,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 9.8,
          "attackVector": "NETWORK",
          "baseSeverity": "CRITICAL",
          "vectorString": "CVSS:3.1/AV:N/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": 3.9
      }
    ]
  },
  "affected": [
    {
      "source": "cve@mitre.org",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
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  ],
  "published": "2020-05-11T16:15:12.723",
  "references": [
    {
      "url": "https://security.samsungmobile.com/securityUpdate.smsb",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "https://security.samsungmobile.com/securityUpdate.smsb",
      "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": "An issue was discovered on Samsung mobile devices with O(8.X), P(9.0), and Q(10.0) (Exynos chipsets) software. Attackers can bypass the Secure Bootloader protection mechanism via a heap-based buffer overflow to execute arbitrary code. The Samsung ID is SVE-2020-16712 (May 2020)."
    },
    {
      "lang": "es",
      "value": "Se detectó un problema en los dispositivos móviles Samsung con versiones de software O(8.X), P(9.0) y Q(10.0) (chipsets Exynos). Los atacantes pueden omitir el mecanismo de protección del Cargador de Arranque por medio de un desbordamiento de búfer en la región heap de la memoria para ejecutar código arbitrario. El ID de Samsung es SVE-2020-16712 (Mayo de 2020)."
    }
  ],
  "lastModified": "2026-06-17T02:52:13.700",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
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              "criteria": "cpe:2.3:o:google:android:8.0:*:*:*:*:*:*:*",
              "vulnerable": true,
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            },
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              "vulnerable": true,
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            },
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            },
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              "matchCriteriaId": "D558D965-FA70-4822-A770-419E73BA9ED3"
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          ],
          "operator": "OR"
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  "sourceIdentifier": "cve@mitre.org"
}