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CVE-2021-30521

Estado: ModificadaAlta (8.8)—

Un desbordamiento del búfer de la pila en Autofill en Google Chrome en Android anterior a versión 91.0.4472.77, permitía a un atacante remoto llevar a cabo un acceso a la memoria fuera de límites por medio de una página HTML diseñada

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 (2)

Fedoraproject — FedoraGoogle — Chrome

CWE

Referencias

JSON original (NVD)

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  "id": "CVE-2021-30521",
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          "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "MEDIUM",
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        "impactScore": 6.4,
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          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
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  "vulnStatus": "Modified",
  "weaknesses": [
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      "source": "nvd@nist.gov",
      "description": [
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          "lang": "en",
          "value": "CWE-787"
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  "descriptions": [
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      "lang": "en",
      "value": "Heap buffer overflow in Autofill in Google Chrome on Android prior to 91.0.4472.77 allowed a remote attacker to perform out of bounds memory access via a crafted HTML page."
    },
    {
      "lang": "es",
      "value": "Un desbordamiento del búfer de la pila en Autofill en Google Chrome en Android anterior a versión 91.0.4472.77, permitía a un atacante remoto llevar a cabo un acceso a la memoria fuera de límites por medio de una página HTML diseñada"
    }
  ],
  "lastModified": "2026-06-17T03:50:23.260",
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