{
  "id": "CVE-2021-0307",
  "sourceIdentifier": "security@android.com",
  "published": "2021-01-11T22:15:13.127",
  "lastModified": "2024-11-21T05:42:28.120",
  "vulnStatus": "Modified",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In updatePermissionSourcePackage of PermissionManagerService.java, there is a possible automatic runtime permission grant due to a confused deputy. This could lead to local escalation of privilege allowing a malicious app to silently gain access to a dangerous permission with no additional execution privileges needed. User interaction is not needed for exploitation. Product: Android; Versions: Android-10, Android-11; Android ID: A-155648771."
    },
    {
      "lang": "es",
      "value": "En la funci\u00f3n updatePermissionSourcePackage del archivo PermissionManagerService.java, se presenta una posible concesi\u00f3n autom\u00e1tica de permisos en el tiempo de ejecuci\u00f3n debido a un confused deputy. Esto podr\u00eda conllevar a una escalada de privilegios local permitiendo a una aplicaci\u00f3n maliciosa conseguir acceso silenciosamente a un permiso peligroso sin ser necesario privilegios de ejecuci\u00f3n adicionales. No es requerida una interacci\u00f3n del usuario para su explotaci\u00f3n. Producto: Android; Versiones: Android-10, Android-11; ID de Android: A-155648771"
    }
  ],
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        "type": "Primary",
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          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
          "baseScore": 7.8,
          "baseSeverity": "HIGH",
          "attackVector": "LOCAL",
          "attackComplexity": "LOW",
          "privilegesRequired": "LOW",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "availabilityImpact": "HIGH"
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        "exploitabilityScore": 1.8,
        "impactScore": 5.9
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          "baseScore": 7.2,
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          "accessComplexity": "LOW",
          "authentication": "NONE",
          "confidentialityImpact": "COMPLETE",
          "integrityImpact": "COMPLETE",
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        },
        "baseSeverity": "HIGH",
        "exploitabilityScore": 3.9,
        "impactScore": 10.0,
        "acInsufInfo": false,
        "obtainAllPrivilege": false,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
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  "weaknesses": [
    {
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      "description": [
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  "references": [
    {
      "url": "https://source.android.com/security/bulletin/2021-01-01",
      "source": "security@android.com",
      "tags": [
        "Vendor Advisory"
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}