{
  "cveId": "CVE-2020-1120",
  "url": "https://patchblox.com/security/cve/CVE-2020-1120",
  "summary": "CVE-2020-1120 is fixed in 4 products on 1 platform, first by KB4557957, released June 9, 2020. It is not reported as exploited. Patch Radar priority: High.",
  "title": "Connected User Experiences and Telemetry Service Denial of Service Vulnerability",
  "description": "\u003Cp\u003EA denial of service vulnerability exists when Connected User Experiences and Telemetry Service improperly handles file operations. An attacker who successfully exploited this vulnerability could cause a system to stop responding.\u003C/p\u003E\n\u003Cp\u003ETo exploit the vulnerability, an attacker would first have to log on to the system. An attacker could then run a specially crafted application that could exploit the vulnerability.\u003C/p\u003E\n\u003Cp\u003EThe security update addresses the vulnerability by  correcting how the Connected User Experiences and Telemetry Service handles file operations.\u003C/p\u003E",
  "published": "2020-06-09T12:00:00Z",
  "severity": "Important",
  "cvss": 7.1,
  "epss": 0.01296,
  "epssPercentile": 0.70525,
  "priority": "High",
  "priorityTier": 3,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "exploitabilityAssessment": "Exploitation Less Likely",
  "vendorAdvisory": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2020-1120",
  "fixes": [
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 2004 for 32-bit Systems",
      "fixedVersion": "19041.329",
      "fix": "KB4557957",
      "url": "https://patchblox.com/security/fix/microsoft/kb4557957",
      "released": "2020-06-09T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 2004 for ARM64-based Systems",
      "fixedVersion": "19041.329",
      "fix": "KB4557957",
      "url": "https://patchblox.com/security/fix/microsoft/kb4557957",
      "released": "2020-06-09T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 2004 for x64-based Systems",
      "fixedVersion": "19041.329",
      "fix": "KB4557957",
      "url": "https://patchblox.com/security/fix/microsoft/kb4557957",
      "released": "2020-06-09T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server, version 2004 (Server Core installation)",
      "fixedVersion": "19041.329",
      "fix": "KB4557957",
      "url": "https://patchblox.com/security/fix/microsoft/kb4557957",
      "released": "2020-06-09T00:00:00Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-08T13:06:02Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}