{
  "document": {
    "acknowledgments": [
      {
        "names": [
          "Lukasz Plonka"
        ]
      }
    ],
    "aggregate_severity": {
      "namespace": "https://www.microsoft.com/en-us/msrc/security-update-severity-rating-system",
      "text": "Important"
    },
    "category": "csaf_security_advisory",
    "csaf_version": "2.0",
    "distribution": {
      "text": "Public",
      "tlp": {
        "label": "WHITE",
        "url": "https://www.first.org/tlp/"
      }
    },
    "lang": "en-US",
    "notes": [
      {
        "category": "general",
        "text": "To determine the support lifecycle for your software, see the Microsoft Support Lifecycle: https://support.microsoft.com/lifecycle",
        "title": "Additional Resources"
      },
      {
        "category": "legal_disclaimer",
        "text": "The information provided in the Microsoft Knowledge Base is provided \\\"as is\\\" without warranty of any kind. Microsoft disclaims all warranties, either express or implied, including the warranties of merchantability and fitness for a particular purpose. In no event shall Microsoft Corporation or its suppliers be liable for any damages whatsoever including direct, indirect, incidental, consequential, loss of business profits or special damages, even if Microsoft Corporation or its suppliers have been advised of the possibility of such damages. Some states do not allow the exclusion or limitation of liability for consequential or incidental damages so the foregoing limitation may not apply.",
        "title": "Disclaimer"
      },
      {
        "category": "general",
        "text": "Required. The vulnerability documented by this CVE requires customer action to resolve.",
        "title": "Customer Action"
      }
    ],
    "publisher": {
      "category": "vendor",
      "contact_details": "secure@microsoft.com",
      "name": "Microsoft Security Response Center",
      "namespace": "https://msrc.microsoft.com"
    },
    "references": [
      {
        "category": "self",
        "summary": "CVE-2020-1173 Microsoft Power BI Report Server Spoofing Vulnerability - HTML",
        "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2020-1173"
      },
      {
        "category": "self",
        "summary": "CVE-2020-1173 Microsoft Power BI Report Server Spoofing Vulnerability - CSAF",
        "url": "https://msrc.microsoft.com/csaf/advisories/2020/msrc_cve-2020-1173.json"
      },
      {
        "category": "external",
        "summary": "Microsoft Exploitability Index",
        "url": "https://www.microsoft.com/en-us/msrc/exploitability-index?rtc=1"
      },
      {
        "category": "external",
        "summary": "Microsoft Support Lifecycle",
        "url": "https://support.microsoft.com/lifecycle"
      },
      {
        "category": "external",
        "summary": "Common Vulnerability Scoring System",
        "url": "https://www.first.org/cvss"
      }
    ],
    "title": "Microsoft Power BI Report Server Spoofing Vulnerability",
    "tracking": {
      "current_release_date": "2026-08-19T07:00:00.000Z",
      "generator": {
        "date": "2026-08-19T16:33:13.693Z",
        "engine": {
          "name": "MSRC Generator",
          "version": "1.0"
        }
      },
      "id": "msrc_CVE-2020-1173",
      "initial_release_date": "2020-05-12T07:00:00.000Z",
      "revision_history": [
        {
          "date": "2020-05-12T07:00:00.000Z",
          "legacy_version": "1",
          "number": "1",
          "summary": "Information published."
        },
        {
          "date": "2026-08-19T07:00:00.000Z",
          "legacy_version": "1.1",
          "number": "2",
          "summary": "Corrected the Power BI Report Server version in the Security Updates table to use the public release version instead of the internal build number. This is an informational change only."
        }
      ],
      "status": "final",
      "version": "2"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "category": "product_version_range",
            "name": "\u003c1.6.7364.4075",
            "product": {
              "name": "Power BI Report Server \u003c1.6.7364.4075",
              "product_id": "1"
            }
          },
          {
            "category": "product_version",
            "name": "1.6.7364.4075",
            "product": {
              "name": "Power BI Report Server 1.6.7364.4075",
              "product_id": "11719"
            }
          }
        ],
        "category": "product_name",
        "name": "Power BI Report Server"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2020-1173",
      "notes": [
        {
          "category": "general",
          "text": "Microsoft",
          "title": "Assigning CNA"
        },
        {
          "category": "faq",
          "text": "The version of Power BI that contains the vulnerability is the May 2019 Release, version 1.5.7074.36177 (Build 15.0.1102.371)., The vulnerability was addressed in the September 2019 release, version  1.6.7236.4246 (Build 15.0.1102.646)., The most recent version of Power BI is the January 2020 release  build is 15.0.1102.777.",
          "title": "What version of Power BI has this vulnerability?"
        }
      ],
      "product_status": {
        "fixed": [
          "11719"
        ],
        "known_affected": [
          "1"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "CVE-2020-1173 Microsoft Power BI Report Server Spoofing Vulnerability - HTML",
          "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2020-1173"
        },
        {
          "category": "self",
          "summary": "CVE-2020-1173 Microsoft Power BI Report Server Spoofing Vulnerability - CSAF",
          "url": "https://msrc.microsoft.com/csaf/advisories/2020/msrc_cve-2020-1173.json"
        }
      ],
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2020-05-12T07:00:00.000Z",
          "details": "1.6.7364.4075:Security Update:https://www.microsoft.com/en-us/download/details.aspx?id=55329",
          "product_ids": [
            "1"
          ],
          "url": "https://www.microsoft.com/en-us/download/details.aspx?id=55329"
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Spoofing"
        },
        {
          "category": "exploit_status",
          "details": "Publicly Disclosed:No;Exploited:No;Latest Software Release:Exploitation Less Likely;Older Software Release:Exploitation Less Likely"
        }
      ],
      "title": "Microsoft Power BI Report Server Spoofing Vulnerability"
    }
  ]
}