{
  "cveId": "CVE-2020-1350",
  "url": "https://patchblox.com/security/cve/CVE-2020-1350",
  "summary": "CVE-2020-1350 is fixed in 17 products on 1 platform, first by KB4565511, released July 14, 2020. It is being exploited: CISA added it to the Known Exploited Vulnerabilities catalog on November 3, 2021. Patch Radar priority: Patch now.",
  "title": "Windows DNS Server Remote Code Execution Vulnerability",
  "description": "\u003Cp\u003EA remote code execution vulnerability exists in Windows Domain Name System servers when they fail to properly handle requests. An attacker who successfully exploited the vulnerability could run arbitrary code in the context of the Local System Account. Windows servers that are configured as DNS servers are at risk from this vulnerability.\u003C/p\u003E\n\u003Cp\u003ETo exploit the vulnerability, an unauthenticated attacker could send malicious requests to a Windows DNS server.\u003C/p\u003E\n\u003Cp\u003EThe update addresses the vulnerability by modifying how Windows DNS servers handle requests.\u003C/p\u003E",
  "published": "2020-07-14T12:00:00Z",
  "severity": "Critical",
  "cvss": 10,
  "epss": 0.96721,
  "epssPercentile": 0.99885,
  "priority": "Patch now",
  "priorityTier": 1,
  "exploited": true,
  "vendorExploited": false,
  "disclosed": false,
  "exploitabilityAssessment": "Exploitation More Likely",
  "kev": {
    "added": "2021-11-03T00:00:00Z",
    "due": "2022-05-03T00:00:00Z",
    "ransomware": false,
    "requiredAction": "Apply updates per vendor instructions."
  },
  "vendorAdvisory": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2020-1350",
  "fixes": [
    {
      "platform": "microsoft",
      "product": "Windows Server 2008 R2 for x64-based Systems Service Pack 1",
      "fixedVersion": "",
      "fix": "KB4565524",
      "url": "https://patchblox.com/security/fix/microsoft/kb4565524",
      "released": "2020-07-14T12:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2008 R2 for x64-based Systems Service Pack 1",
      "fixedVersion": "",
      "fix": "KB4565539",
      "url": "https://patchblox.com/security/fix/microsoft/kb4565539",
      "released": "2020-07-14T12:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation)",
      "fixedVersion": "",
      "fix": "KB4565524",
      "url": "https://patchblox.com/security/fix/microsoft/kb4565524",
      "released": "2020-07-14T12:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation)",
      "fixedVersion": "",
      "fix": "KB4565539",
      "url": "https://patchblox.com/security/fix/microsoft/kb4565539",
      "released": "2020-07-14T12:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2008 for 32-bit Systems Service Pack 2",
      "fixedVersion": "",
      "fix": "KB4565529",
      "url": "https://patchblox.com/security/fix/microsoft/kb4565529",
      "released": "2020-07-14T12:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2008 for 32-bit Systems Service Pack 2",
      "fixedVersion": "",
      "fix": "KB4565536",
      "url": "https://patchblox.com/security/fix/microsoft/kb4565536",
      "released": "2020-07-14T12:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation)",
      "fixedVersion": "",
      "fix": "KB4565529",
      "url": "https://patchblox.com/security/fix/microsoft/kb4565529",
      "released": "2020-07-14T12:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation)",
      "fixedVersion": "",
      "fix": "KB4565536",
      "url": "https://patchblox.com/security/fix/microsoft/kb4565536",
      "released": "2020-07-14T12:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2008 for x64-based Systems Service Pack 2",
      "fixedVersion": "",
      "fix": "KB4565529",
      "url": "https://patchblox.com/security/fix/microsoft/kb4565529",
      "released": "2020-07-14T12:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2008 for x64-based Systems Service Pack 2",
      "fixedVersion": "",
      "fix": "KB4565536",
      "url": "https://patchblox.com/security/fix/microsoft/kb4565536",
      "released": "2020-07-14T12:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation)",
      "fixedVersion": "",
      "fix": "KB4565529",
      "url": "https://patchblox.com/security/fix/microsoft/kb4565529",
      "released": "2020-07-14T12:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation)",
      "fixedVersion": "",
      "fix": "KB4565536",
      "url": "https://patchblox.com/security/fix/microsoft/kb4565536",
      "released": "2020-07-14T12:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2012",
      "fixedVersion": "",
      "fix": "KB4565535",
      "url": "https://patchblox.com/security/fix/microsoft/kb4565535",
      "released": "2020-07-14T12:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2012",
      "fixedVersion": "",
      "fix": "KB4565537",
      "url": "https://patchblox.com/security/fix/microsoft/kb4565537",
      "released": "2020-07-14T12:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2012 (Server Core installation)",
      "fixedVersion": "",
      "fix": "KB4565535",
      "url": "https://patchblox.com/security/fix/microsoft/kb4565535",
      "released": "2020-07-14T12:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2012 (Server Core installation)",
      "fixedVersion": "",
      "fix": "KB4565537",
      "url": "https://patchblox.com/security/fix/microsoft/kb4565537",
      "released": "2020-07-14T12:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2012 R2",
      "fixedVersion": "",
      "fix": "KB4565541",
      "url": "https://patchblox.com/security/fix/microsoft/kb4565541",
      "released": "2020-07-14T12:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2012 R2",
      "fixedVersion": "",
      "fix": "KB4565540",
      "url": "https://patchblox.com/security/fix/microsoft/kb4565540",
      "released": "2020-07-14T12:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2012 R2 (Server Core installation)",
      "fixedVersion": "",
      "fix": "KB4565541",
      "url": "https://patchblox.com/security/fix/microsoft/kb4565541",
      "released": "2020-07-14T12:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2012 R2 (Server Core installation)",
      "fixedVersion": "",
      "fix": "KB4565540",
      "url": "https://patchblox.com/security/fix/microsoft/kb4565540",
      "released": "2020-07-14T12:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2016",
      "fixedVersion": "14393.3808",
      "fix": "KB4565511",
      "url": "https://patchblox.com/security/fix/microsoft/kb4565511",
      "released": "2020-07-14T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2016 (Server Core installation)",
      "fixedVersion": "14393.3808",
      "fix": "KB4565511",
      "url": "https://patchblox.com/security/fix/microsoft/kb4565511",
      "released": "2020-07-14T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2019",
      "fixedVersion": "17763.1339",
      "fix": "KB4558998",
      "url": "https://patchblox.com/security/fix/microsoft/kb4558998",
      "released": "2020-07-14T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2019 (Server Core installation)",
      "fixedVersion": "17763.1339",
      "fix": "KB4558998",
      "url": "https://patchblox.com/security/fix/microsoft/kb4558998",
      "released": "2020-07-14T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server, version 1903 (Server Core installation)",
      "fixedVersion": "",
      "fix": "KB4565483",
      "url": "https://patchblox.com/security/fix/microsoft/kb4565483",
      "released": "2020-07-14T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server, version 1909 (Server Core installation)",
      "fixedVersion": "",
      "fix": "KB4565483",
      "url": "https://patchblox.com/security/fix/microsoft/kb4565483",
      "released": "2020-07-14T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server, version 2004 (Server Core installation)",
      "fixedVersion": "19041.388",
      "fix": "KB4565503",
      "url": "https://patchblox.com/security/fix/microsoft/kb4565503",
      "released": "2020-07-14T00:00:00Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-08T00:53:09Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}