{
  "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-2021-22931",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2021-22931",
    "idYear": 2021,
    "status": "PUBLISHED",
    "publishedAt": "2021-08-16T00:00:00.000Z",
    "updatedAt": "2025-04-30T22:24:34.672Z",
    "importedAt": "2026-10-24T01:56:26.894Z",
    "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": "Node.js before 16.6.0, 14.17.4, and 12.22.4 is vulnerable to Remote Code Execution, XSS, Application crashes due to missing input validation of host names returned by Domain Name Servers in Node.js dns library which can lead to output of wrong hostnames (leading to Domain Hijacking) and injection vulnerabilities in applications using the library.",
      "affected": [
        {
          "vendor": "NodeJS",
          "product": "Node",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "4.0",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "4.*"
            },
            {
              "version": "5.0",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "5.*"
            },
            {
              "version": "6.0",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "6.*"
            },
            {
              "version": "7.0",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "7.*"
            },
            {
              "version": "8.0",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "8.*"
            },
            {
              "version": "9.0",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "9.*"
            },
            {
              "version": "10.0",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "10.*"
            },
            {
              "version": "11.0",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "11.*"
            },
            {
              "version": "12.0",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "12.22.5"
            },
            {
              "version": "13.0",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "13.*"
            },
            {
              "version": "14.0",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "14.17.5"
            },
            {
              "version": "15.0",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "15.*"
            },
            {
              "version": "16.0",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "16.6.2"
            }
          ]
        }
      ]
    }
  }
}