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CVE-2021-36173

Estado: ModificadaAlta (8.8)—

A heap-based buffer overflow in the firmware signature verification function of FortiOS versions 7.0.1, 7.0.0, 6.4.0 through 6.4.6, 6.2.0 through 6.2.9, and 6.0.0 through 6.0.13 may allow an attacker to execute arbitrary code via specially crafted installation images.

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)

CWE

Referencias

JSON original (NVD)

Mostrar
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              "automatable": "no"
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              "technicalImpact": "total"
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          "timestamp": "2024-10-23T14:13:07.677380Z"
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  "published": "2021-12-08T19:15:09.787",
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          "value": "CWE-787"
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      "value": "A heap-based buffer overflow in the firmware signature verification function of FortiOS versions 7.0.1, 7.0.0, 6.4.0 through 6.4.6, 6.2.0 through 6.2.9, and 6.0.0 through 6.0.13 may allow an attacker to execute arbitrary code via specially crafted installation images."
    },
    {
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      "value": "Un desbordamiento de búfer en la región heap de la memoria en la función firmware signature verification de FortiOS versiones 7.0.1, 7.0.0, 6.4.0 hasta 6.4.6, 6.2.0 hasta 6.2.9 y 6.0.0 hasta 6.0.13, puede permitir a un atacante ejecutar código arbitrario por medio de imágenes de instalación especialmente diseñadas"
    }
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  "lastModified": "2026-06-17T03:58:27.743",
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