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CVE-2020-27059

Estado: ModificadaAlta (7.8)—

En la función onAuthenticated del archivo AuthenticationClient.java, se presenta un posible ataque de tipo tapjacking al requerir la huella digital del usuario debido a una ventana superpuesta. Esto podría conllevar a una escalada de privilegios local sin ser necesarios privilegios de ejecución adicionales. Es requerida una interacción del usuario para su explotación. Producto: Android; Versiones: Android-8.0, Android-8.1, Android-9, Android-10, 11; ID de Android: A-159249069

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-2020-27059",
  "cveTags": [],
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        "source": "nvd@nist.gov",
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          "baseScore": 4.4,
          "accessVector": "LOCAL",
          "vectorString": "AV:L/AC:M/Au:N/C:P/I:P/A:P",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "MEDIUM",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "PARTIAL"
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        "acInsufInfo": false,
        "impactScore": 6.4,
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        "obtainAllPrivilege": false,
        "exploitabilityScore": 3.4,
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          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
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          "attackComplexity": "LOW",
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  "affected": [
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  "published": "2021-01-11T21:15:13.250",
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  "vulnStatus": "Modified",
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      "description": [
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          "value": "CWE-1021"
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      "value": "In onAuthenticated of AuthenticationClient.java, there is a possible tapjacking attack when requesting the user's fingerprint due to an overlaid window. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is needed for exploitation. Product: Android; Versions: Android-8.0, Android-8.1, Android-9, Android-10, 11; Android ID: A-159249069."
    },
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      "value": "En la función onAuthenticated del archivo AuthenticationClient.java, se presenta un posible ataque de tipo tapjacking al requerir la huella digital del usuario debido a una ventana superpuesta. Esto podría conllevar a una escalada de privilegios local sin ser necesarios privilegios de ejecución adicionales. Es requerida una interacción del usuario para su explotación. Producto: Android; Versiones: Android-8.0, Android-8.1, Android-9, Android-10, 11; ID de Android: A-159249069"
    }
  ],
  "lastModified": "2026-06-17T03:08:47.767",
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