{
  "cveId": "CVE-2019-1490",
  "url": "https://patchblox.com/security/cve/CVE-2019-1490",
  "summary": "CVE-2019-1490 is fixed in Skype for Business Server 2019  CU2 on 1 platform by KB4534761 (version ), released December 10, 2019. It is not reported as exploited. Patch Radar priority: High.",
  "title": "Skype for Business Server Spoofing Vulnerability",
  "description": "\u003Cp\u003EA spoofing vulnerability exists when a Skype for Business Server does not properly sanitize a specially crafted request. An authenticated attacker could exploit the vulnerability by sending a specially crafted request to an affected server. The attacker who successfully exploited this vulnerability could then perform cross-site scripting attacks on affected systems and run scripts in the security context of the current user.\u003C/p\u003E\n\u003Cp\u003EFor the vulnerability to be exploited, a user must click a specially crafted URL that takes the user to a targeted Skype for Business site.\u003C/p\u003E\n\u003Cp\u003EIn an email attack scenario, an attacker could exploit the vulnerability by sending an email message containing the specially crafted URL to the user of the targeted Skype for Business site and convincing the user to click the specially crafted URL.\u003C/p\u003E\n\u003Cp\u003EThe security update addresses the vulnerability by helping to ensure that Skype for Business Server properly sanitizes web requests.\u003C/p\u003E",
  "published": "2019-12-10T08:00:00Z",
  "severity": "Important",
  "epss": 0.01535,
  "epssPercentile": 0.74989,
  "priority": "High",
  "priorityTier": 3,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "exploitabilityAssessment": "Exploitation Less Likely",
  "vendorAdvisory": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2019-1490",
  "fixes": [
    {
      "platform": "microsoft",
      "product": "Skype for Business Server 2019  CU2",
      "fixedVersion": "",
      "fix": "KB4534761",
      "url": "https://patchblox.com/security/fix/microsoft/kb4534761",
      "released": "2019-12-10T08:00:00Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-07T18:46:35Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}