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CVE-2020-12747

Estado: ModificadaCrítica (9.8)—

Se detectó un problema en los dispositivos móviles Samsung con versiones de software Q(10.0) (chipsets Exynos980 9630 y Exynos990 9830). El Cargador de arranque presenta un desbordamiento de búfer en la región heap de la memoria debido al manejo inapropiado de comandos específicos. Los ID de Samsung son SVE-2020-16981, SVE-2020-16991 (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-2020-12747",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 7.5,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "LOW",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "PARTIAL"
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        "acInsufInfo": false,
        "impactScore": 6.4,
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        "obtainAllPrivilege": false,
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          "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"
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        "impactScore": 5.9,
        "exploitabilityScore": 3.9
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  "affected": [
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      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
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  "published": "2020-05-11T16:15:12.770",
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    {
      "url": "https://security.samsungmobile.com/securityUpdate.smsb",
      "tags": [
        "Vendor Advisory"
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    {
      "url": "https://security.samsungmobile.com/securityUpdate.smsb",
      "tags": [
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
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  "vulnStatus": "Modified",
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      "description": [
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          "lang": "en",
          "value": "CWE-787"
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      ]
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  ],
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      "lang": "en",
      "value": "An issue was discovered on Samsung mobile devices with Q(10.0) (Exynos980 9630 and Exynos990 9830 chipsets) software. The Bootloader has a heap-based buffer overflow because of the mishandling of specific commands. The Samsung IDs are SVE-2020-16981, SVE-2020-16991 (May 2020)."
    },
    {
      "lang": "es",
      "value": "Se detectó un problema en los dispositivos móviles Samsung con versiones de software Q(10.0) (chipsets Exynos980 9630 y Exynos990 9830). El Cargador de arranque presenta un desbordamiento de búfer en la región heap de la memoria debido al manejo inapropiado de comandos específicos. Los ID de Samsung son SVE-2020-16981, SVE-2020-16991 (Mayo de 2020)."
    }
  ],
  "lastModified": "2026-06-17T02:52:13.813",
  "configurations": [
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