{
  "cveId": "CVE-2020-0621",
  "url": "https://patchblox.com/security/cve/CVE-2020-0621",
  "summary": "CVE-2020-0621 is fixed in 12 products on 1 platform, first by KB4534276, released January 14, 2020. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "Windows Security Feature Bypass Vulnerability",
  "description": "\u003Cp\u003EA security feature bypass vulnerability exists in Windows 10 when third party filters are called during a password update. Successful exploitation of the vulnerability could allow a user to make use of a blocked password for their account.\u003C/p\u003E\n\u003Cp\u003ETo exploit the vulnerability, an attacker would need have access and the current password for the target user.\u003C/p\u003E\n\u003Cp\u003EThe update addresses how password filters are called during a password update.\u003C/p\u003E",
  "published": "2020-01-14T08:00:00Z",
  "severity": "Important",
  "cvss": 4.4,
  "epss": 0.01042,
  "epssPercentile": 0.64253,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "exploitabilityAssessment": "N/A",
  "vendorAdvisory": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2020-0621",
  "fixes": [
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1709 for 32-bit Systems",
      "fixedVersion": "16299.1625",
      "fix": "KB4534276",
      "url": "https://patchblox.com/security/fix/microsoft/kb4534276",
      "released": "2020-01-14T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1709 for ARM64-based Systems",
      "fixedVersion": "16299.1625",
      "fix": "KB4534276",
      "url": "https://patchblox.com/security/fix/microsoft/kb4534276",
      "released": "2020-01-14T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1709 for x64-based Systems",
      "fixedVersion": "16299.1625",
      "fix": "KB4534276",
      "url": "https://patchblox.com/security/fix/microsoft/kb4534276",
      "released": "2020-01-14T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1803 for 32-bit Systems",
      "fixedVersion": "17134.1246",
      "fix": "KB4534293",
      "url": "https://patchblox.com/security/fix/microsoft/kb4534293",
      "released": "2020-01-14T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1803 for ARM64-based Systems",
      "fixedVersion": "17134.1246",
      "fix": "KB4534293",
      "url": "https://patchblox.com/security/fix/microsoft/kb4534293",
      "released": "2020-01-14T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1803 for x64-based Systems",
      "fixedVersion": "17134.1246",
      "fix": "KB4534293",
      "url": "https://patchblox.com/security/fix/microsoft/kb4534293",
      "released": "2020-01-14T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1809 for 32-bit Systems",
      "fixedVersion": "17763.973",
      "fix": "KB4534273",
      "url": "https://patchblox.com/security/fix/microsoft/kb4534273",
      "released": "2020-01-14T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1809 for ARM64-based Systems",
      "fixedVersion": "17763.973",
      "fix": "KB4534273",
      "url": "https://patchblox.com/security/fix/microsoft/kb4534273",
      "released": "2020-01-14T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1809 for x64-based Systems",
      "fixedVersion": "17763.973",
      "fix": "KB4534273",
      "url": "https://patchblox.com/security/fix/microsoft/kb4534273",
      "released": "2020-01-14T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2019",
      "fixedVersion": "17763.973",
      "fix": "KB4534273",
      "url": "https://patchblox.com/security/fix/microsoft/kb4534273",
      "released": "2020-01-14T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2019 (Server Core installation)",
      "fixedVersion": "17763.973",
      "fix": "KB4534273",
      "url": "https://patchblox.com/security/fix/microsoft/kb4534273",
      "released": "2020-01-14T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server, version 1803  (Server Core Installation)",
      "fixedVersion": "17134.1246",
      "fix": "KB4534293",
      "url": "https://patchblox.com/security/fix/microsoft/kb4534293",
      "released": "2020-01-14T00:00:00Z"
    }
  ],
  "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"
  }
}