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{
  "@rdf:about": "https://jvndb.jvn.jp/en/contents/2023/JVNDB-2023-001215.html",
  "dc:date": "2024-06-14T15:45+09:00",
  "dcterms:issued": "2023-02-13T14:18+09:00",
  "dcterms:modified": "2024-06-14T15:45+09:00",
  "description": "Zuken Elmic KASAGO, TCP/IP protocol stack for embedded systems, uses its own random number generator function when generating TCP initial sequence numbers, which leads to use insufficient random values (CWE-330).\r\n\r\nZuken Elmic reported this vulnerability to JPCERT/CC to notify users of its solution through JVN.",
  "link": "https://jvndb.jvn.jp/en/contents/2023/JVNDB-2023-001215.html",
  "sec:cpe": [
    {
      "#text": "cpe:/a:elwsc:kasago_ipv4",
      "@product": "KASAGO IPv4",
      "@vendor": "ZUKEN ELMIC,INC",
      "@version": "2.2"
    },
    {
      "#text": "cpe:/a:elwsc:kasago_ipv4_light",
      "@product": "KASAGO IPv4 Light",
      "@vendor": "ZUKEN ELMIC,INC",
      "@version": "2.2"
    },
    {
      "#text": "cpe:/a:elwsc:kasago_ipv6%2fv4_dual",
      "@product": "KASAGO IPv6/v4 Dual",
      "@vendor": "ZUKEN ELMIC,INC",
      "@version": "2.2"
    },
    {
      "#text": "cpe:/a:elwsc:kasago_mobile_ipv6",
      "@product": "KASAGO mobile IPv6",
      "@vendor": "ZUKEN ELMIC,INC",
      "@version": "2.2"
    }
  ],
  "sec:cvss": {
    "@score": "5.9",
    "@severity": "Medium",
    "@type": "Base",
    "@vector": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N",
    "@version": "3.0"
  },
  "sec:identifier": "JVNDB-2023-001215",
  "sec:references": [
    {
      "#text": "http://jvn.jp/en/vu/JVNVU99551468/index.html",
      "@id": "JVNVU#99551468",
      "@source": "JVN"
    },
    {
      "#text": "https://www.cve.org/CVERecord?id=CVE-2022-43501",
      "@id": "CVE-2022-43501",
      "@source": "CVE"
    },
    {
      "#text": "https://nvd.nist.gov/vuln/detail/CVE-2022-43501",
      "@id": "CVE-2022-43501",
      "@source": "NVD"
    },
    {
      "#text": "https://cwe.mitre.org/data/definitions/330.html",
      "@id": "CWE-330",
      "@title": "Use of Insufficiently Random Values(CWE-330)"
    }
  ],
  "title": "Zuken Elmic KASAGO uses insufficient random values for TCP Initial Sequence Numbers"
}