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CVE-2021-46768

Estado: ModificadaMedia (5.5)—

Insufficient input validation in SEV firmware may allow an attacker to perform out-of-bounds memory reads within the ASP boot loader, potentially leading to a denial of service.

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)

CWE

Referencias

JSON original (NVD)

Mostrar
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          "role": "CISA Coordinator",
          "options": [
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              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
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              "technicalImpact": "partial"
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          "version": "2.0.3",
          "timestamp": "2025-04-09T14:49:59.196190Z"
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  "published": "2023-01-11T08:15:13.163",
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    {
      "url": "https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-1032",
      "tags": [
        "Vendor Advisory"
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      "source": "psirt@amd.com"
    },
    {
      "url": "https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-1032",
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      "lang": "en",
      "value": "Insufficient input validation in SEV firmware may allow an attacker to perform out-of-bounds memory reads within the ASP boot loader, potentially leading to a denial of service.\n"
    },
    {
      "lang": "es",
      "value": "Una validación de entrada insuficiente en el firmware SEV puede permitir que un atacante realice lecturas de memoria fuera de los límites dentro del cargador de arranque ASP, lo que podría provocar una denegación de servicio."
    }
  ],
  "lastModified": "2026-06-17T04:15:30.587",
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