{
  "id": "CVE-2020-0836",
  "sourceIdentifier": "secure@microsoft.com",
  "published": "2020-09-11T17:15:13.947",
  "lastModified": "2023-12-31T22:15:45.067",
  "vulnStatus": "Modified",
  "descriptions": [
    {
      "lang": "en",
      "value": "<p>A denial of service vulnerability exists in Windows DNS when it fails to properly handle queries. An attacker who successfully exploited this vulnerability could cause the DNS service to become nonresponsive.</p>\n<p>To exploit the vulnerability, an authenticated attacker could send malicious DNS queries to a target, resulting in a denial of service.</p>\n<p>The update addresses the vulnerability by correcting how Windows DNS processes queries.</p>\n"
    },
    {
      "lang": "es",
      "value": "Se presenta una vulnerabilidad de denegaci\u00f3n de servicio en Windows DNS cuando presenta un fallo al manejar apropiadamente las consultas, tambi\u00e9n se conoce como \"Windows DNS Denial of Service Vulnerability\".&#xa0;Este ID de CVE es diferente de CVE-2020-1228"
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "secure@microsoft.com",
        "type": "Primary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "NONE",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "availabilityImpact": "HIGH",
          "baseScore": 7.5,
          "baseSeverity": "HIGH"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 3.6
      },
      {
        "source": "nvd@nist.gov",
        "type": "Secondary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "NONE",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "availabilityImpact": "HIGH",
          "baseScore": 7.5,
          "baseSeverity": "HIGH"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 3.6
      }
    ],
    "cvssMetricV2": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "2.0",
          "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
          "accessVector": "NETWORK",
          "accessComplexity": "LOW",
          "authentication": "NONE",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 5.0
        },
        "baseSeverity": "MEDIUM",
        "exploitabilityScore": 10.0,
        "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_server_2008:-:sp2:*:*:*:*:x64:*",
              "matchCriteriaId": "2127D10C-B6F3-4C1D-B9AA-5D78513CC996"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:o:microsoft:windows_server_2008:-:sp2:*:*:*:*:x86:*",
              "matchCriteriaId": "AB425562-C0A0-452E-AABE-F70522F15E1A"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:o:microsoft:windows_server_2012:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "A7DF96F8-BA6A-4780-9CA3-F719B3F81074"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:*",
              "matchCriteriaId": "DB18C4CE-5917-401E-ACF7-2747084FD36E"
            },
            {
              "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_2016:1903:*:*:*:*:*:*:*",
              "matchCriteriaId": "5B921FDB-8E7D-427E-82BE-4432585080CF"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:o:microsoft:windows_server_2016:1909:*:*:*:*:*:*:*",
              "matchCriteriaId": "C253A63F-03AB-41CB-A03A-B2674DEA98AA"
            },
            {
              "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"
            }
          ]
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-0836",
      "source": "secure@microsoft.com",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ]
    }
  ]
}