FKIE_CVE-2017-0248

Vulnerability from fkie_nvd - Published: 2017-05-12 14:29 - Updated: 2026-06-17 00:57
Summary
Microsoft .NET Framework 2.0, 3.5, 3.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2 and 4.7 allow an attacker to bypass Enhanced Security Usage taggings when they present a certificate that is invalid for a specific use, aka ".NET Security Feature Bypass Vulnerability."

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "Microsoft .NET Framework",
          "vendor": "Microsoft Corporation",
          "versions": [
            {
              "status": "affected",
              "version": "Microsoft .NET Framework 2.0, 3.5, 3.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2 and 4.7"
            }
          ]
        }
      ],
      "source": "secure@microsoft.com"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:microsoft:.net_framework:2.0:sp2:*:*:*:*:*:*",
              "matchCriteriaId": "42A6DF09-B8E1-414D-97E7-453566055279",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:microsoft:.net_framework:3.5:*:*:*:*:*:*:*",
              "matchCriteriaId": "E039CE1F-B988-4741-AE2E-5B36E2AF9688",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:microsoft:.net_framework:3.5.1:*:*:*:*:*:*:*",
              "matchCriteriaId": "8EDC4407-7E92-4E60-82F0-0C87D1860D3A",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:microsoft:.net_framework:4.5.2:*:*:*:*:*:*:*",
              "matchCriteriaId": "40B3A045-B08A-44E0-91BE-726753F6A362",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:microsoft:.net_framework:4.6:*:*:*:*:*:*:*",
              "matchCriteriaId": "280FE663-23BE-45D2-9B31-5F577E390B48",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:microsoft:.net_framework:4.6.1:*:*:*:*:*:*:*",
              "matchCriteriaId": "FF0B660D-1F30-4D45-B98B-726EDB8CB90F",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:microsoft:.net_framework:4.6.2:*:*:*:*:*:*:*",
              "matchCriteriaId": "A16AD2B0-2189-4E8E-B7FC-CE598CA1CB2D",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:microsoft:.net_framework:4.7:*:*:*:*:*:*:*",
              "matchCriteriaId": "734112B3-1383-4BE3-8721-C0F84566B764",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Microsoft .NET Framework 2.0, 3.5, 3.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2 and 4.7 allow an attacker to bypass Enhanced Security Usage taggings when they present a certificate that is invalid for a specific use, aka \".NET Security Feature Bypass Vulnerability.\""
    },
    {
      "lang": "es",
      "value": "Microsoft .NET Framework versiones 2.0, 3.5, 3.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2 y 4.7, permiten a un atacante omitir las etiquetas de Enhanced Security Usage cuando presentan un certificado que no es v\u00e1lido para un uso espec\u00edfico, tambi\u00e9n se conoce como \".NET Security Feature Bypass Vulnerability.\""
    }
  ],
  "id": "CVE-2017-0248",
  "lastModified": "2026-06-17T00:57:20.390",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "NONE",
          "baseScore": 5.0,
          "confidentialityImpact": "NONE",
          "integrityImpact": "PARTIAL",
          "vectorString": "AV:N/AC:L/Au:N/C:N/I:P/A:N",
          "version": "2.0"
        },
        "exploitabilityScore": 10.0,
        "impactScore": 2.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV30": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 7.5,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "NONE",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N",
          "version": "3.0"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 3.6,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2017-05-12T14:29:03.973",
  "references": [
    {
      "source": "secure@microsoft.com",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "url": "http://www.securityfocus.com/bid/98117"
    },
    {
      "source": "secure@microsoft.com",
      "url": "http://www.securitytracker.com/id/1038458"
    },
    {
      "source": "secure@microsoft.com",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-0248"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "url": "http://www.securityfocus.com/bid/98117"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://www.securitytracker.com/id/1038458"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-0248"
    }
  ],
  "sourceIdentifier": "secure@microsoft.com",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-295"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}



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