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CVE-2020-1355

Estado: ModificadaAlta (7.8)—

Se presenta una vulnerabilidad de ejecución de código remota cuando el Windows Font Driver Host maneja inapropiadamente la memoria. Un atacante que explota con éxito la vulnerabilidad podría conseguir ejecución en un sistema víctima. La actualización de seguridad aborda la vulnerabilidad mediante la corrección de cómo el Windows Font Driver Host maneja la memoria, también se conoce como "Windows Font Driver Host Remote Code Execution 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 (2)

CWE

Referencias

JSON original (NVD)

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  "id": "CVE-2020-1355",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
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        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 4.6,
          "accessVector": "LOCAL",
          "vectorString": "AV:L/AC:L/Au:N/C:P/I:P/A:P",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "LOW",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "PARTIAL"
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        "acInsufInfo": false,
        "impactScore": 6.4,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 3.9,
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          "version": "3.1",
          "baseScore": 7.8,
          "attackVector": "LOCAL",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.9,
        "exploitabilityScore": 1.8
      }
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  },
  "affected": [
    {
      "source": "secure@microsoft.com",
      "affectedData": [
        {
          "vendor": "Microsoft",
          "product": "Windows 10 Version 2004 for 32-bit Systems",
          "versions": [
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              "status": "affected",
              "version": "unspecified"
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          "product": "Windows 10 Version 2004 for ARM64-based Systems",
          "versions": [
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          "versions": [
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              "version": "unspecified"
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        {
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          "product": "Windows 10 Version 1909 for ARM64-based Systems",
          "versions": [
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              "version": "unspecified"
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          "vendor": "Microsoft",
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          "versions": [
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              "version": "unspecified"
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          "product": "Windows 10 Version 1903 for 32-bit Systems",
          "versions": [
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              "version": "unspecified"
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          "vendor": "Microsoft",
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          "versions": [
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              "status": "affected",
              "version": "unspecified"
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        {
          "vendor": "Microsoft",
          "product": "Windows 10 Version 1903 for ARM64-based Systems",
          "versions": [
            {
              "status": "affected",
              "version": "unspecified"
            }
          ]
        },
        {
          "vendor": "Microsoft",
          "product": "Windows Server, version 1903 (Server Core installation)",
          "versions": [
            {
              "status": "affected",
              "version": "unspecified"
            }
          ]
        }
      ]
    }
  ],
  "published": "2020-07-14T23:15:13.480",
  "references": [
    {
      "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1355",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "source": "secure@microsoft.com"
    },
    {
      "url": "https://www.zerodayinitiative.com/advisories/ZDI-20-875/",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "source": "secure@microsoft.com"
    },
    {
      "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1355",
      "tags": [
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        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://www.zerodayinitiative.com/advisories/ZDI-20-875/",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-20"
        },
        {
          "lang": "en",
          "value": "CWE-787"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "A remote code execution vulnerability exists when the Windows Font Driver Host improperly handles memory.An attacker who successfully exploited the vulnerability would gain execution on a victim system.The security update addresses the vulnerability by correcting how the Windows Font Driver Host handles memory., aka 'Windows Font Driver Host Remote Code Execution Vulnerability'."
    },
    {
      "lang": "es",
      "value": "Se presenta una vulnerabilidad de ejecución de código remota cuando el Windows Font Driver Host maneja inapropiadamente la memoria. Un atacante que explota con éxito la vulnerabilidad podría conseguir ejecución en un sistema víctima. La actualización de seguridad aborda la vulnerabilidad mediante la corrección de cómo el Windows Font Driver Host maneja la memoria, también se conoce como \"Windows Font Driver Host Remote Code Execution Vulnerability\""
    }
  ],
  "lastModified": "2026-06-17T03:01:11.543",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
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}