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CVE-2021-25338

Estado: ModificadaMedia (5.2)—

El control de acceso a la memoria inadecuado en RKP en los dispositivos móviles Samsung anteriores a SMR Mar-2021 Release 1, permite a un atacante, dado un kernel comprometido, escribir determinada parte de la región de memoria EL2 de RKP

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-2021-25338",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 3.6,
          "accessVector": "LOCAL",
          "vectorString": "AV:L/AC:L/Au:N/C:N/I:P/A:P",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "LOW",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "NONE"
        },
        "acInsufInfo": false,
        "impactScore": 4.9,
        "baseSeverity": "LOW",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 3.9,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
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          "integrityImpact": "HIGH",
          "userInteraction": "REQUIRED",
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        "impactScore": 4.2,
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  "affected": [
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      "source": "mobile.security@samsung.com",
      "affectedData": [
        {
          "vendor": "Samsung Mobile",
          "product": "Samsung Mobile Devices",
          "versions": [
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              "status": "affected",
              "version": "Selected Q(10.0), R(11.0)",
              "lessThan": "SMR Mar-2021 Release 1",
              "versionType": "custom"
            }
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  "published": "2021-03-04T21:15:13.727",
  "references": [
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      "url": "https://security.samsungmobile.com",
      "tags": [
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      "source": "mobile.security@samsung.com"
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    {
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
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      "tags": [
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
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  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Secondary",
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      "description": [
        {
          "lang": "en",
          "value": "CWE-20"
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    },
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-Other"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Improper memory access control in RKP in Samsung mobile devices prior to SMR Mar-2021 Release 1 allows an attacker, given a compromised kernel, to write certain part of RKP EL2 memory region."
    },
    {
      "lang": "es",
      "value": "El control de acceso a la memoria inadecuado en RKP en los dispositivos móviles Samsung anteriores a SMR Mar-2021 Release 1, permite a un atacante, dado un kernel comprometido, escribir determinada parte de la región de memoria EL2 de RKP"
    }
  ],
  "lastModified": "2026-06-17T03:41:53.887",
  "configurations": [
    {
      "nodes": [
        {
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  "sourceIdentifier": "mobile.security@samsung.com"
}