{
  "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-2022-43501",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2022-43501",
    "idYear": 2022,
    "status": "PUBLISHED",
    "publishedAt": "2023-02-10T00:00:00.000Z",
    "updatedAt": "2025-03-24T18:11:03.974Z",
    "importedAt": "2026-10-24T01:56:45.230Z",
    "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": "KASAGO TCP/IP stack provided by Zuken Elmic generates ISNs(Initial Sequence Number) for TCP connections from an insufficiently random source. An attacker may be able to determine the ISN of the current or future TCP connections and either hijack existing ones or spoof future ones.",
      "affected": [
        {
          "vendor": "ZUKEN Elmic",
          "product": "Kasago IPv6/v4 Dual",
          "versions": [
            {
              "version": "prior to Ver6.0.1.34",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "ZUKEN Elmic",
          "product": "Kasago IPv4",
          "versions": [
            {
              "version": "prior to Ver6.0.1.34",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "ZUKEN Elmic",
          "product": "Kasago IPv4 Light",
          "versions": [
            {
              "version": "prior to Ver6.0.1.34",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "ZUKEN Elmic",
          "product": "Kasago mobile IPv6",
          "versions": [
            {
              "version": "prior to Ver6.0.1.34",
              "status": "affected"
            }
          ]
        }
      ]
    }
  }
}