{
  "cveId": "CVE-2020-1523",
  "url": "https://patchblox.com/security/cve/CVE-2020-1523",
  "summary": "CVE-2020-1523 is fixed in Microsoft SharePoint Server 2019 on 1 platform by KB4484505 (version ), released September 8, 2020. It is not reported as exploited. Patch Radar priority: High.",
  "title": "Microsoft SharePoint Server Tampering Vulnerability",
  "description": "\u003Cp\u003EA tampering vulnerability exists when Microsoft SharePoint Server fails to properly handle profile data. An attacker who successfully exploited this vulnerability could modify a targeted user\u0027s profile data.\u003C/p\u003E\n\u003Cp\u003ETo exploit the vulnerability, an attacker would need to be authenticated on an affected SharePoint Server. The attacker would then need to send a specially modified request to the server, targeting a specific user.\u003C/p\u003E\n\u003Cp\u003EThe security update addresses the vulnerability by modifying how Microsoft SharePoint Server handles profile data.\u003C/p\u003E",
  "published": "2020-09-08T12:00:00Z",
  "severity": "Important",
  "cvss": 8.9,
  "epss": 0.02217,
  "epssPercentile": 0.82751,
  "priority": "High",
  "priorityTier": 3,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "exploitabilityAssessment": "Exploitation Less Likely",
  "vendorAdvisory": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2020-1523",
  "fixes": [
    {
      "platform": "microsoft",
      "product": "Microsoft SharePoint Server 2019",
      "fixedVersion": "",
      "fix": "KB4484505",
      "url": "https://patchblox.com/security/fix/microsoft/kb4484505",
      "released": "2020-09-08T12:00:00Z"
    }
  ],
  "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"
  }
}