{
  "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-2021-43877",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2021-43877",
    "idYear": 2021,
    "status": "PUBLISHED",
    "publishedAt": "2021-12-15T14:15:31.000Z",
    "updatedAt": "2024-08-04T04:10:17.113Z",
    "importedAt": "2026-10-24T01:56:36.661Z",
    "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": "ASP.NET Core and Visual Studio Elevation of Privilege Vulnerability",
      "summary": "ASP.NET Core and Visual Studio Elevation of Privilege Vulnerability",
      "affected": [
        {
          "vendor": "Microsoft",
          "product": "Microsoft Visual Studio 2019 version 16.7 (includes 16.0 – 16.6)",
          "platforms": [
            "Unknown"
          ],
          "versions": [
            {
              "version": "16.0.0",
              "status": "affected",
              "versionType": "custom",
              "lessThan": "16.7.23"
            }
          ]
        },
        {
          "vendor": "Microsoft",
          "product": "Microsoft Visual Studio 2019 version 16.9 (includes 16.0 - 16.8)",
          "platforms": [
            "Unknown"
          ],
          "versions": [
            {
              "version": "15.0.0",
              "status": "affected",
              "versionType": "custom",
              "lessThan": "16.9.15"
            }
          ]
        },
        {
          "vendor": "Microsoft",
          "product": "Microsoft Visual Studio 2019 version 16.11 (includes 16.0 - 16.10)",
          "platforms": [
            "Unknown"
          ],
          "versions": [
            {
              "version": "16.11.0",
              "status": "affected",
              "versionType": "custom",
              "lessThan": "16.11.8"
            }
          ]
        },
        {
          "vendor": "Microsoft",
          "product": "Microsoft Visual Studio 2022 version 17.0",
          "platforms": [
            "Unknown"
          ],
          "versions": [
            {
              "version": "17.0.0",
              "status": "affected",
              "versionType": "custom",
              "lessThan": "17.0.3"
            }
          ]
        },
        {
          "vendor": "Microsoft",
          "product": "ASP.NET Core 3.1",
          "platforms": [
            "Unknown"
          ],
          "versions": [
            {
              "version": "3.0",
              "status": "affected",
              "versionType": "custom",
              "lessThan": "3.1.22"
            }
          ]
        },
        {
          "vendor": "Microsoft",
          "product": "ASP.NET Core 5.0",
          "platforms": [
            "Unknown"
          ],
          "versions": [
            {
              "version": "5.0",
              "status": "affected",
              "versionType": "custom",
              "lessThan": "5.0.13"
            }
          ]
        },
        {
          "vendor": "Microsoft",
          "product": "ASP.NET Core 6.0",
          "platforms": [
            "Unknown"
          ],
          "versions": [
            {
              "version": "6.0",
              "status": "affected",
              "versionType": "custom",
              "lessThan": "6.0.101"
            }
          ]
        },
        {
          "vendor": "Microsoft",
          "product": "Microsoft Visual Studio 2022 version 17.1",
          "platforms": [
            "Unknown"
          ],
          "versions": [
            {
              "version": "17.0.0",
              "status": "affected",
              "versionType": "custom",
              "lessThan": "17.1.4"
            }
          ]
        }
      ]
    }
  }
}