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{
  "@rdf:about": "https://jvndb.jvn.jp/en/contents/2026/JVNDB-2026-001001.html",
  "dc:date": "2026-01-07T10:46+09:00",
  "dcterms:issued": "2026-01-07T10:46+09:00",
  "dcterms:modified": "2026-01-07T10:46+09:00",
  "description": "OpenBlocks series provided by Plat\u0027Home Co.,Ltd. contains the following vulnerability.\u003cul\u003e\u003cli\u003eAuthentication bypass (CWE-288) - CVE-2026-21411\u003c/li\u003e\u003c/ul\u003eChuya Hayakawa of 00One, Inc. reported this vulnerability to JPCERT/CC.\r\nJPCERT/CC coordinated with the developer.",
  "link": "https://jvndb.jvn.jp/en/contents/2026/JVNDB-2026-001001.html",
  "sec:cpe": [
    {
      "#text": "cpe:/o:plathome:openblocks_idm_rx1_firmware",
      "@product": "OpenBlocks IDM RX1",
      "@vendor": "Plat\u0027Home Co., Ltd.",
      "@version": "2.2"
    },
    {
      "#text": "cpe:/o:plathome:openblocks_iot_dx1_firmware",
      "@product": "OpenBlocks IoT DX1",
      "@vendor": "Plat\u0027Home Co., Ltd.",
      "@version": "2.2"
    },
    {
      "#text": "cpe:/o:plathome:openblocks_iot_ex_bx_firmware",
      "@product": "OpenBlocks IoT EX/BX models",
      "@vendor": "Plat\u0027Home Co., Ltd.",
      "@version": "2.2"
    },
    {
      "#text": "cpe:/o:plathome:openblocks_iot_fx1_firmware",
      "@product": "OpenBlocks IoT FX1",
      "@vendor": "Plat\u0027Home Co., Ltd.",
      "@version": "2.2"
    },
    {
      "#text": "cpe:/o:plathome:openblocks_iot_vx2_firmware",
      "@product": "OpenBlocks IoT VX2",
      "@vendor": "Plat\u0027Home Co., Ltd.",
      "@version": "2.2"
    },
    {
      "#text": "cpe:/o:plathome:openblocks_ix9_with_fw_firmware",
      "@product": "OpenBlocks IX9 models with FW",
      "@vendor": "Plat\u0027Home Co., Ltd.",
      "@version": "2.2"
    }
  ],
  "sec:cvss": {
    "@score": "8.8",
    "@severity": "High",
    "@type": "Base",
    "@vector": "CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
    "@version": "3.0"
  },
  "sec:identifier": "JVNDB-2026-001001",
  "sec:references": [
    {
      "#text": "https://jvn.jp/en/vu/JVNVU97172240/index.html",
      "@id": "JVNVU#97172240",
      "@source": "JVN"
    },
    {
      "#text": "https://www.cve.org/CVERecord?id=CVE-2026-21411",
      "@id": "CVE-2026-21411",
      "@source": "CVE"
    },
    {
      "#text": "https://cwe.mitre.org/data/definitions/288.html",
      "@id": "CWE-288",
      "@title": "Authentication Bypass Using an Alternate Path or Channel(CWE-288)"
    }
  ],
  "title": "Authentication bypass vulnerability in OpenBlocks series"
}

{
  "@rdf:about": "https://jvndb.jvn.jp/en/contents/2020/JVNDB-2020-000022.html",
  "dc:date": "2020-04-08T16:12+09:00",
  "dcterms:issued": "2020-04-08T16:12+09:00",
  "dcterms:modified": "2020-04-08T16:12+09:00",
  "description": "EasyBlocks IPv6 provided by Plat\u0027Home Co., Ltd. contains multiple vulnerabilities listed below.\r\n*Cross site request forgery(CWE-352) - CVE-2020-5549\r\n*Session fixation (CWE-384) - CVE-2020-5550\r\n\r\nHideki SAKAMOTO of Tsukuba Secure Network Research reported this vulnerability to IPA.\r\nJPCERT/CC coordinated with the developer under Information Security Early Warning Partnership.",
  "link": "https://jvndb.jvn.jp/en/contents/2020/JVNDB-2020-000022.html",
  "sec:cpe": [
    {
      "#text": "cpe:/o:plathome:easyblocks_ipv6_enterprise_firmware",
      "@product": "EasyBlocks IPv6 Enterprise",
      "@vendor": "Plat\u0027Home Co., Ltd.",
      "@version": "2.2"
    },
    {
      "#text": "cpe:/o:plathome:easyblocks_ipv6_firmware",
      "@product": "EasyBlocks IPv6",
      "@vendor": "Plat\u0027Home Co., Ltd.",
      "@version": "2.2"
    }
  ],
  "sec:cvss": [
    {
      "@score": "4.0",
      "@severity": "Medium",
      "@type": "Base",
      "@vector": "AV:N/AC:H/Au:N/C:P/I:P/A:N",
      "@version": "2.0"
    },
    {
      "@score": "4.2",
      "@severity": "Medium",
      "@type": "Base",
      "@vector": "CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N",
      "@version": "3.0"
    }
  ],
  "sec:identifier": "JVNDB-2020-000022",
  "sec:references": [
    {
      "#text": "https://jvn.jp/en/jp/JVN89224521/index.html",
      "@id": "JVN#89224521",
      "@source": "JVN"
    },
    {
      "#text": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-5549",
      "@id": "CVE-2020-5549",
      "@source": "CVE"
    },
    {
      "#text": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-5550",
      "@id": "CVE-2020-5550",
      "@source": "CVE"
    },
    {
      "#text": "https://nvd.nist.gov/vuln/detail/CVE-2020-5549",
      "@id": "CVE-2020-5549",
      "@source": "NVD"
    },
    {
      "#text": "https://nvd.nist.gov/vuln/detail/CVE-2020-5550",
      "@id": "CVE-2020-5550",
      "@source": "NVD"
    },
    {
      "#text": "https://www.ipa.go.jp/en/security/vulnerabilities/cwe.html",
      "@id": "CWE-352",
      "@title": "Cross-Site Request Forgery(CWE-352)"
    },
    {
      "#text": "https://www.ipa.go.jp/en/security/vulnerabilities/cwe.html",
      "@id": "CWE-Other",
      "@title": "No Mapping(CWE-Other)"
    }
  ],
  "title": "Multiple vulnerabilities in EasyBlocks IPv6"
}