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CVE-2021-0305

Estado: ModificadaAlta (7.8)—

En PackageInstaller, se presenta un posible ataque de tapjacking debido a un valor predeterminado no seguro. Esto podría conllevar a una escalada local de privilegios y permisos sin ser necesarios privilegios de ejecución adicionales. Es requerida una interacción del usuario para su explotación. Producto: Android, Versiones: Android-8.1 Android-9 Android-10, ID de Android: A-154015447

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-2021-0305",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 9.3,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:M/Au:N/C:C/I:C/A:C",
          "authentication": "NONE",
          "integrityImpact": "COMPLETE",
          "accessComplexity": "MEDIUM",
          "availabilityImpact": "COMPLETE",
          "confidentialityImpact": "COMPLETE"
        },
        "acInsufInfo": false,
        "impactScore": 10,
        "baseSeverity": "HIGH",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 8.6,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": true
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 7.8,
          "attackVector": "LOCAL",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "REQUIRED",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.9,
        "exploitabilityScore": 1.8
      }
    ]
  },
  "affected": [
    {
      "source": "security@android.com",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "Android",
          "versions": [
            {
              "status": "affected",
              "version": "Android-8.1 Android-9 Android-10"
            }
          ]
        }
      ]
    }
  ],
  "published": "2021-02-10T17:15:17.553",
  "references": [
    {
      "url": "https://source.android.com/security/bulletin/2021-02-01",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "source": "security@android.com"
    },
    {
      "url": "https://source.android.com/security/bulletin/2021-02-01",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-1021"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "In PackageInstaller, there is a possible tapjacking attack due to an insecure default value. This could lead to local escalation of privilege and permissions with no additional execution privileges needed. User interaction is needed for exploitation.Product: AndroidVersions: Android-8.1 Android-9 Android-10Android ID: A-154015447"
    },
    {
      "lang": "es",
      "value": "En PackageInstaller, se presenta un posible ataque de tapjacking debido a un valor predeterminado no seguro. Esto podría conllevar a una escalada local de privilegios y permisos sin ser necesarios privilegios de ejecución adicionales. Es requerida una interacción del usuario para su explotación. Producto: Android, Versiones: Android-8.1 Android-9 Android-10, ID de Android: A-154015447"
    }
  ],
  "lastModified": "2026-06-17T03:29:45.700",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:google:android:8.1:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "B06BE74B-83F4-41A3-8AD3-2E6248F7B0B2"
            },
            {
              "criteria": "cpe:2.3:o:google:android:9.0:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "8DFAAD08-36DA-4C95-8200-C29FE5B6B854"
            },
            {
              "criteria": "cpe:2.3:o:google:android:10.0:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "D558D965-FA70-4822-A770-419E73BA9ED3"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "security@android.com"
}