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CVE-2018-8517

Estado: ModificadaAlta (7.5)—

A denial of service vulnerability exists when .NET Framework improperly handles special web requests, aka ".NET Framework Denial Of Service Vulnerability." This affects Microsoft .NET Framework 4.6, Microsoft .NET Framework 3.5, Microsoft .NET Framework 4.7/4.7.1/4.7.2, Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.1/4.7.2, Microsoft .NET Framework 3.5.1, Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2, Microsoft .NET Framework 4.5.2, Microsoft .NET Framework 4.7.1/4.7.2, Microsoft .NET Framework 4.7.2.

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
{
  "id": "CVE-2018-8517",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 5,
          "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"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 10,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV30": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.0",
          "baseScore": 7.5,
          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 3.9
      }
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  "affected": [
    {
      "source": "secure@microsoft.com",
      "affectedData": [
        {
          "vendor": "Microsoft",
          "product": "Microsoft .NET Framework",
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            },
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            },
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            },
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              "version": "3.5.1 on Windows Server 2008 R2 for x64-based Systems Service Pack 1"
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            },
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              "version": "4.7.1/4.7.2 on Windows 10 Version 1709 for ARM64-based Systems"
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              "version": "4.7.2 on Windows 10 Version 1809 for 32-bit Systems"
            },
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              "status": "affected",
              "version": "4.7.2 on Windows 10 Version 1809 for x64-based Systems"
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              "status": "affected",
              "version": "4.7.2 on Windows Server 2019"
            },
            {
              "status": "affected",
              "version": "4.7.2 on Windows Server 2019  (Server Core installation)"
            },
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              "status": "affected",
              "version": "4.7.2 on Windows Server, version 1803  (Server Core Installation)"
            },
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              "version": "4.7/4.7.1/4.7.2 on Windows 10 Version 1703 for 32-bit Systems"
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              "version": "4.7/4.7.1/4.7.2 on Windows 10 Version 1703 for x64-based Systems"
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  "published": "2018-12-12T00:29:00.403",
  "references": [
    {
      "url": "http://www.securityfocus.com/bid/106075",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "source": "secure@microsoft.com"
    },
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      "lang": "en",
      "value": "A denial of service vulnerability exists when .NET Framework improperly handles special web requests, aka \".NET Framework Denial Of Service Vulnerability.\" This affects Microsoft .NET Framework 4.6, Microsoft .NET Framework 3.5, Microsoft .NET Framework 4.7/4.7.1/4.7.2, Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.1/4.7.2, Microsoft .NET Framework 3.5.1, Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2, Microsoft .NET Framework 4.5.2, Microsoft .NET Framework 4.7.1/4.7.2, Microsoft .NET Framework 4.7.2."
    },
    {
      "lang": "es",
      "value": "Existe una vulnerabilidad de denegación de servicio (DoS) cuando .NET Framework gestiona de manera incorrecta las peticiones web especiales. Esta vulnerabilidad también se conoce como \".NET Framework Denial Of Service Vulnerability\". Esto afecta a Microsoft .NET Framework 4.6, Microsoft .NET Framework 3.5, Microsoft .NET Framework 4.7/4.7.1/4.7.2, Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.1/4.7.2, Microsoft .NET Framework 3.5.1, Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2, Microsoft .NET Framework 4.5.2, Microsoft .NET Framework 4.7.1/4.7.2 y Microsoft .NET Framework 4.7.2."
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  "lastModified": "2026-06-17T02:05:02.127",
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