{
  "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-2021-33684",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2021-33684",
    "idYear": 2021,
    "status": "PUBLISHED",
    "publishedAt": "2021-07-14T11:04:32.000Z",
    "updatedAt": "2024-08-03T23:58:22.539Z",
    "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": "SAP NetWeaver AS ABAP and ABAP Platform, versions - KRNL32NUC 7.21, 7.21EXT, 7.22, 7.22EXT, KRNL32UC 7.21, 7.21EXT, 7.22, 7.22EXT, KRNL64NUC 7.21, 7.21EXT, 7.22, 7.22EXT, 7.49, KRNL64UC 8.04, 7.21, 7.21EXT, 7.22, 7.22EXT, 7.49, 7.53, KERNEL 8.04, 7.21, 7.21EXT, 7.22, 7.22EXT, 7.49, 7.53, 7.77, 7.81, 7.84, allows an attacker to send overlong content in the RFC request type thereby crashing the corresponding work process because of memory corruption vulnerability. The work process will attempt to restart itself after the crash and hence the impact on the availability is low.",
      "affected": [
        {
          "vendor": "SAP SE",
          "product": "SAP NetWeaver AS ABAP and ABAP Platform",
          "versions": [
            {
              "version": "< KRNL32NUC 7.21",
              "status": "affected"
            },
            {
              "version": "< 7.21EXT",
              "status": "affected"
            },
            {
              "version": "< 7.22",
              "status": "affected"
            },
            {
              "version": "< 7.22EXT",
              "status": "affected"
            },
            {
              "version": "< KRNL32UC 7.21",
              "status": "affected"
            },
            {
              "version": "< KRNL64NUC 7.21",
              "status": "affected"
            },
            {
              "version": "< 7.49",
              "status": "affected"
            },
            {
              "version": "< KRNL64UC 8.04",
              "status": "affected"
            },
            {
              "version": "< 7.21",
              "status": "affected"
            },
            {
              "version": "< 7.53",
              "status": "affected"
            },
            {
              "version": "< KERNEL 8.04",
              "status": "affected"
            },
            {
              "version": "< 7.77",
              "status": "affected"
            },
            {
              "version": "< 7.81",
              "status": "affected"
            },
            {
              "version": "< 7.84",
              "status": "affected"
            }
          ]
        }
      ]
    }
  }
}