{
  "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-2021-44228",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2021-44228",
    "idYear": 2021,
    "status": "PUBLISHED",
    "publishedAt": "2021-12-10T00:00:00.000Z",
    "updatedAt": "2025-10-21T23:25:23.121Z",
    "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": "Apache Log4j2 JNDI features do not protect against attacker controlled LDAP and other JNDI related endpoints",
      "summary": "Apache Log4j2 2.0-beta9 through 2.15.0 (excluding security releases 2.12.2, 2.12.3, and 2.3.1) JNDI features used in configuration, log messages, and parameters do not protect against attacker controlled LDAP and other JNDI related endpoints. An attacker who can control log messages or log message parameters can execute arbitrary code loaded from LDAP servers when message lookup substitution is enabled. From log4j 2.15.0, this behavior has been disabled by default. From version 2.16.0 (along with 2.12.2, 2.12.3, and 2.3.1), this functionality has been completely removed. Note that this vulnerability is specific to log4j-core and does not affect log4net, log4cxx, or other Apache Logging Services projects.",
      "affected": [
        {
          "vendor": "Apache Software Foundation",
          "product": "Apache Log4j2",
          "versions": [
            {
              "version": "2.0-beta9",
              "status": "affected",
              "versionType": "custom",
              "lessThan": "log4j-core*",
              "changes": [
                {
                  "at": "2.3.1",
                  "status": "unaffected"
                },
                {
                  "at": "2.4",
                  "status": "affected"
                },
                {
                  "at": "2.12.2",
                  "status": "unaffected"
                },
                {
                  "at": "2.13.0",
                  "status": "affected"
                },
                {
                  "at": "2.15.0",
                  "status": "unaffected"
                }
              ]
            }
          ]
        }
      ]
    }
  }
}