{
  "id": "CVE-2021-42274",
  "sourceIdentifier": "secure@microsoft.com",
  "published": "2021-11-10T01:19:43.317",
  "lastModified": "2021-11-12T20:16:06.023",
  "vulnStatus": "Analyzed",
  "descriptions": [
    {
      "lang": "en",
      "value": "Windows Hyper-V Discrete Device Assignment (DDA) Denial of Service Vulnerability"
    },
    {
      "lang": "es",
      "value": "Una vulnerabilidad de denegaci\u00f3n de servicio en Windows Hyper-V Discrete Device Assignment (DDA)"
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H",
          "attackVector": "LOCAL",
          "attackComplexity": "LOW",
          "privilegesRequired": "LOW",
          "userInteraction": "NONE",
          "scope": "CHANGED",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "availabilityImpact": "HIGH",
          "baseScore": 6.5,
          "baseSeverity": "MEDIUM"
        },
        "exploitabilityScore": 2.0,
        "impactScore": 4.0
      }
    ],
    "cvssMetricV2": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "2.0",
          "vectorString": "AV:L/AC:L/Au:N/C:N/I:N/A:P",
          "accessVector": "LOCAL",
          "accessComplexity": "LOW",
          "authentication": "NONE",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 2.1
        },
        "baseSeverity": "LOW",
        "exploitabilityScore": 3.9,
        "impactScore": 2.9,
        "acInsufInfo": false,
        "obtainAllPrivilege": false,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ]
  },
  "weaknesses": [
    {
      "source": "nvd@nist.gov",
      "type": "Primary",
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-noinfo"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:o:microsoft:windows_10:20h2:*:*:*:*:*:x64:*",
              "matchCriteriaId": "21074553-EDF2-468D-8E79-C39851B5BC79"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:o:microsoft:windows_10:21h1:*:*:*:*:*:x64:*",
              "matchCriteriaId": "F8C238FA-B20F-40A5-B861-A8295858F4BE"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:o:microsoft:windows_10:1607:*:*:*:*:*:x64:*",
              "matchCriteriaId": "897A48D7-FCA1-4560-AFBB-718AF19BA3A2"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:o:microsoft:windows_10:1809:*:*:*:*:*:x64:*",
              "matchCriteriaId": "6CF580BA-6938-40F6-9D86-F43044A6BACA"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:o:microsoft:windows_10:2004:*:*:*:*:*:x64:*",
              "matchCriteriaId": "09D9A720-8D3C-4699-AC57-CB4531E5BFEB"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:o:microsoft:windows_11:-:*:*:*:*:*:x64:*",
              "matchCriteriaId": "5D7F7DDB-440E-42CD-82F4-B2C13F3CC462"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:o:microsoft:windows_server_2016:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "041FF8BA-0B12-4A1F-B4BF-9C4F33B7C1E7"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:o:microsoft:windows_server_2016:20h2:*:*:*:*:*:*:*",
              "matchCriteriaId": "4A190388-AA82-4504-9D5A-624F23268C9F"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:o:microsoft:windows_server_2016:2004:*:*:*:*:*:*:*",
              "matchCriteriaId": "0B60D940-80C7-49F0-8F4E-3F99AC15FA82"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:o:microsoft:windows_server_2019:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "DB79EE26-FC32-417D-A49C-A1A63165A968"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:o:microsoft:windows_server_2022:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "821614DD-37DD-44E2-A8A4-FE8D23A33C3C"
            }
          ]
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-42274",
      "source": "secure@microsoft.com",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ]
    }
  ]
}