{
  "schemaVersion": 1,
  "attribution": [
    {
      "source": "CISA Known Exploited Vulnerabilities",
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog",
      "licence": "US government work"
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    {
      "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-2021-39298",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2021-39298",
    "idYear": 2021,
    "status": "PUBLISHED",
    "publishedAt": "2022-02-16T16:38:10.726Z",
    "updatedAt": "2026-10-07T18:03:26.630Z",
    "importedAt": "2026-10-24T01:56:32.228Z",
    "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": null,
      "summary": "A potential vulnerability in AMD System Management Mode (SMM) interrupt handler may allow an attacker with high privileges to access the SMM resulting in arbitrary code execution which could be used by malicious actors to bypass security mechanisms provided in the UEFI firmware.",
      "affected": [
        {
          "vendor": "AMD",
          "product": "2nd Gen EPYC",
          "packageName": "AGESA",
          "platforms": [
            "x86"
          ],
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "Various",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "AMD",
          "product": "3rd Gen EPYC",
          "packageName": "AGESA",
          "platforms": [
            "x86"
          ],
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "various",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "AMD",
          "product": "Ryzen 2000 Series",
          "packageName": "AGESA",
          "platforms": [
            "x86"
          ],
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "various",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "AMD",
          "product": "Ryzen 3000 Series",
          "packageName": "AGESA",
          "platforms": [
            "x86"
          ],
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "Various",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "AMD",
          "product": "Ryzen 5000 Series",
          "packageName": "AGESA",
          "platforms": [
            "x86"
          ],
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "various",
              "status": "affected"
            }
          ]
        }
      ]
    }
  }
}