{
  "id": "CVE-2021-0921",
  "sourceIdentifier": "security@android.com",
  "published": "2021-12-15T19:15:11.057",
  "lastModified": "2024-11-21T05:43:15.060",
  "vulnStatus": "Modified",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In ParsingPackageImpl of ParsingPackageImpl.java, there is a possible parcel serialization/deserialization mismatch due to improper input validation. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11Android ID: A-195962697"
    },
    {
      "lang": "es",
      "value": "En la funci\u00f3n ParsingPackageImpl del archivo ParsingPackageImpl.java, se presenta un posible desajuste de serializaci\u00f3n/deserializaci\u00f3n de paquetes debido a una comprobaci\u00f3n de entrada inapropiada. Esto podr\u00eda conllevar a una escalada local de privilegios sin ser necesarios privilegios de ejecuci\u00f3n adicionales. No es requerida una interacci\u00f3n del usuario para su explotaci\u00f3n. Producto: Android. Versiones: Android-11. ID de Android: A-195962697"
    }
  ],
  "metrics": {
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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"
        },
        "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",
          "availabilityImpact": "COMPLETE"
        },
        "baseSeverity": "HIGH",
        "exploitabilityScore": 3.9,
        "impactScore": 10.0,
        "acInsufInfo": false,
        "obtainAllPrivilege": false,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
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  "weaknesses": [
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      "source": "nvd@nist.gov",
      "type": "Primary",
      "description": [
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          "value": "CWE-20"
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  "configurations": [
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          "operator": "OR",
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  "references": [
    {
      "url": "https://source.android.com/security/bulletin/2021-11-01",
      "source": "security@android.com",
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}