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CVE-2019-0865

Estado: ModificadaAlta (7.5)—

Se presenta una vulnerabilidad de denegación de servicio cuando SymCrypt maneja inapropiadamente una firma digital especialmente diseñada. Un atacante podría explotar la vulnerabilidad mediante la creación de una conexión o mensaje especialmente diseñado. La actualización de seguridad aborda la vulnerabilidad mediante la corrección de la manera en que SymCrypt maneja las firmas digitales, también se conoce como "SymCrypt Denial of Service Vulnerability".

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 (3)

CWE

Referencias

JSON original (NVD)

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          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
          "authentication": "NONE",
          "integrityImpact": "NONE",
          "accessComplexity": "LOW",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "NONE"
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          "confidentialityImpact": "NONE"
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  "affected": [
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  ],
  "published": "2019-07-15T19:15:15.593",
  "references": [
    {
      "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0865",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "source": "secure@microsoft.com"
    },
    {
      "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0865",
      "tags": [
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
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  "vulnStatus": "Modified",
  "weaknesses": [
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  "descriptions": [
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      "value": "A denial of service vulnerability exists when SymCrypt improperly handles a specially crafted digital signature.An attacker could exploit the vulnerability by creating a specially crafted connection or message.The security update addresses the vulnerability by correcting the way SymCrypt handles digital signatures., aka 'SymCrypt Denial of Service Vulnerability'."
    },
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    }
  ],
  "lastModified": "2026-06-17T02:09:04.503",
  "configurations": [
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}