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CVE-2018-21051

Status: ModifiedCritical (9.8)—

An issue was discovered on Samsung mobile devices with N(7.x) and O(8.x) (Exynos chipsets) software. There is an invalid free in the fingerprint Trustlet, leading to arbitrary code execution. The Samsung ID is SVE-2018-12853 (October 2018).

CVSS

Exploitation probability (EPSS)

EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).

Affected technologies (1)

CWEs

References

Raw JSON (NVD)

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{
  "id": "CVE-2018-21051",
  "cveTags": [],
  "metrics": {
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        "source": "nvd@nist.gov",
        "cvssData": {
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          "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"
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        "acInsufInfo": false,
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          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
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  "affected": [
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      "affectedData": [
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  "published": "2020-04-08T18:15:13.400",
  "references": [
    {
      "url": "https://security.samsungmobile.com/securityUpdate.smsb",
      "tags": [
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    {
      "url": "https://security.samsungmobile.com/securityUpdate.smsb",
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      "lang": "en",
      "value": "An issue was discovered on Samsung mobile devices with N(7.x) and O(8.x) (Exynos chipsets) software. There is an invalid free in the fingerprint Trustlet, leading to arbitrary code execution. The Samsung ID is SVE-2018-12853 (October 2018)."
    },
    {
      "lang": "es",
      "value": "Se detectó un problema en dispositivos móviles Samsung con versión de software N(7.x) y O (8.x) (chipsets Exynos). Se presenta una liberación no válida en el Trustlet fingerprint, conllevando a una ejecución de código arbitraria. El ID de Samsung es SVE-2018-12853 (Octubre de 2018)."
    }
  ],
  "lastModified": "2026-06-17T01:54:02.293",
  "configurations": [
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}