{
  "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-2023-33987",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2023-33987",
    "idYear": 2023,
    "status": "PUBLISHED",
    "publishedAt": "2023-07-11T02:24:52.753Z",
    "updatedAt": "2024-12-04T15:32:10.947Z",
    "importedAt": "2026-10-24T01:56:53.804Z",
    "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": "Request smuggling and request concatenation in SAP Web Dispatcher",
      "summary": "An unauthenticated attacker in SAP Web Dispatcher - versions WEBDISP 7.49, WEBDISP 7.53, WEBDISP 7.54, WEBDISP 7.77, WEBDISP 7.81, WEBDISP 7.85, WEBDISP 7.88, WEBDISP 7.89, WEBDISP 7.90, KERNEL 7.49, KERNEL 7.53, KERNEL 7.54 KERNEL 7.77, KERNEL 7.81, KERNEL 7.85, KERNEL 7.88, KERNEL 7.89, KERNEL 7.90, KRNL64NUC 7.49, KRNL64UC 7.49, KRNL64UC 7.53, HDB 2.00, XS_ADVANCED_RUNTIME 1.00, SAP_EXTENDED_APP_SERVICES 1, can submit a malicious crafted request over a network to a front-end server which may, over several attempts, result in a back-end server confusing the boundaries of malicious and legitimate messages. This can result in the back-end server executing a malicious payload which can be used to read or modify information on the server or make it temporarily unavailable.\n\n",
      "affected": [
        {
          "vendor": "SAP_SE",
          "product": "SAP Web Dispatcher",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "WEBDISP 7.49",
              "status": "affected"
            },
            {
              "version": "WEBDISP 7.53",
              "status": "affected"
            },
            {
              "version": "WEBDISP 7.54",
              "status": "affected"
            },
            {
              "version": "WEBDISP 7.77",
              "status": "affected"
            },
            {
              "version": "WEBDISP 7.81",
              "status": "affected"
            },
            {
              "version": "WEBDISP 7.85",
              "status": "affected"
            },
            {
              "version": "WEBDISP 7.88",
              "status": "affected"
            },
            {
              "version": "WEBDISP 7.89",
              "status": "affected"
            },
            {
              "version": "WEBDISP 7.90",
              "status": "affected"
            },
            {
              "version": "KERNEL 7.49",
              "status": "affected"
            },
            {
              "version": "KERNEL 7.53",
              "status": "affected"
            },
            {
              "version": "KERNEL 7.54 KERNEL 7.77",
              "status": "affected"
            },
            {
              "version": "KERNEL 7.81",
              "status": "affected"
            },
            {
              "version": "KERNEL 7.85",
              "status": "affected"
            },
            {
              "version": "KERNEL 7.88",
              "status": "affected"
            },
            {
              "version": "KERNEL 7.89",
              "status": "affected"
            },
            {
              "version": "KERNEL 7.90",
              "status": "affected"
            },
            {
              "version": "KRNL64NUC 7.49",
              "status": "affected"
            },
            {
              "version": "KRNL64UC 7.49",
              "status": "affected"
            },
            {
              "version": "KRNL64UC 7.53",
              "status": "affected"
            },
            {
              "version": "HDB 2.00",
              "status": "affected"
            },
            {
              "version": "XS_ADVANCED_RUNTIME 1.00",
              "status": "affected"
            },
            {
              "version": "SAP_EXTENDED_APP_SERVICES 1",
              "status": "affected"
            }
          ]
        }
      ]
    }
  }
}