{
  "schemaVersion": 1,
  "attribution": [
    {
      "source": "CISA Known Exploited Vulnerabilities",
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog",
      "licence": "US government work"
    },
    {
      "source": "GitHub Advisory Database",
      "url": "https://github.com/advisories",
      "licence": "CC BY 4.0"
    },
    {
      "source": "Have I Been Pwned",
      "url": "https://haveibeenpwned.com/",
      "licence": "CC BY 4.0"
    },
    {
      "source": "CVE Program (CVE records)",
      "url": "https://www.cve.org/Legal/TermsOfUse",
      "licence": "CVE Terms of Use",
      "notice": "Copyright © 1999-2026, The MITRE Corporation. CVE is a trademark and the CVE logo is a registered trademark of The MITRE Corporation.",
      "terms": "CVE Usage: MITRE hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute Common Vulnerabilities and Exposures (CVE™). Any copy you make for such purposes is authorized provided that you reproduce MITRE's copyright designation and this license in any such copy."
    },
    {
      "source": "FIRST EPSS",
      "url": "https://www.first.org/epss/",
      "licence": "free to use; FIRST requests attribution"
    }
  ],
  "record": {
    "id": "CVE-2020-1025",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2020-1025",
    "idYear": 2020,
    "status": "PUBLISHED",
    "publishedAt": "2020-07-14T22:53:56.000Z",
    "updatedAt": "2024-08-04T06:24:59.514Z",
    "importedAt": "2026-10-24T01:56:17.081Z",
    "snapshot": {
      "id": "cve_2026-10-24_midnight_baseline",
      "at": "2026-10-24T00:00:00.000Z",
      "source": "https://github.com/CVEProject/cvelistV5/releases/tag/cve_2026-10-24_0100Z"
    },
    "facts": {
      "title": "Microsoft Office Elevation of Privilege Vulnerability",
      "summary": "An elevation of privilege vulnerability exists when Microsoft SharePoint Server and Skype for Business Server improperly handle OAuth token validation. An attacker who successfully exploited the vulnerability could bypass authentication and achieve improper access.\nTo exploit this vulnerability, an attacker would need to modify the token.\nThe update addresses the vulnerability by modifying how Microsoft SharePoint Server and Skype for Business Server validate tokens.",
      "affected": [
        {
          "vendor": "Microsoft",
          "product": "Skype for Business Server 2019  CU2",
          "platforms": [
            "Unknown"
          ],
          "versions": [
            {
              "version": "7.0.0",
              "status": "affected",
              "versionType": "custom",
              "lessThan": "publication"
            }
          ]
        },
        {
          "vendor": "Microsoft",
          "product": "Skype for Business Server 2015 CU 8",
          "platforms": [
            "Unknown"
          ],
          "versions": [
            {
              "version": "2015 CU 8",
              "status": "affected",
              "versionType": "custom",
              "lessThan": "publication"
            }
          ]
        },
        {
          "vendor": "Microsoft",
          "product": "Microsoft Lync Server 2013",
          "platforms": [
            "Unknown"
          ],
          "versions": [
            {
              "version": "0",
              "status": "affected",
              "versionType": "custom",
              "lessThan": "publication"
            }
          ]
        },
        {
          "vendor": "Microsoft",
          "product": "Microsoft SharePoint Enterprise Server 2016",
          "platforms": [
            "x64-based Systems"
          ],
          "versions": [
            {
              "version": "16.0.0",
              "status": "affected",
              "versionType": "custom",
              "lessThan": "publication"
            }
          ]
        },
        {
          "vendor": "Microsoft",
          "product": "Microsoft SharePoint Server 2019",
          "platforms": [
            "x64-based Systems"
          ],
          "versions": [
            {
              "version": "16.0.0",
              "status": "affected",
              "versionType": "custom",
              "lessThan": "publication"
            }
          ]
        },
        {
          "vendor": "Microsoft",
          "product": "Microsoft SharePoint Foundation 2013 Service Pack 1",
          "platforms": [
            "x64-based Systems"
          ],
          "versions": [
            {
              "version": "15.0.0",
              "status": "affected",
              "versionType": "custom",
              "lessThan": "publication"
            }
          ]
        }
      ]
    }
  }
}