{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-21411",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
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                "timestamp": "2026-01-06T14:47:57.055920Z",
                "version": "2.0.3"
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        "providerMetadata": {
          "dateUpdated": "2026-01-06T14:49:01.813Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
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        {
          "product": "OpenBlocks IoT DX1 (FW5.0.x)",
          "vendor": "Plat\u0027Home Co.,Ltd.",
          "versions": [
            {
              "status": "affected",
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        },
        {
          "product": "OpenBlocks IX9 models with FW (FW5.0.x)",
          "vendor": "Plat\u0027Home Co.,Ltd.",
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        {
          "product": "OpenBlocks IoT VX2 (FW5.0.x)",
          "vendor": "Plat\u0027Home Co.,Ltd.",
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              "status": "affected",
              "version": "all versions prior to FW5.0.8"
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        {
          "product": "OpenBlocks IDM RX1 (FW5.0.x)",
          "vendor": "Plat\u0027Home Co.,Ltd.",
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              "status": "affected",
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            }
          ]
        }
      ],
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          "lang": "en",
          "value": "Authentication bypass issue exists in OpenBlocks series versions prior to FW5.0.8, which may allow an attacker to bypass administrator authentication and change the password."
        }
      ],
      "metrics": [
        {
          "cvssV3_0": {
            "baseScore": 8.8,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.0"
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            {
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              "value": "GENERAL"
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            "vectorString": "CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N",
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      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-288",
              "description": "Authentication Bypass Using an Alternate Path or Channel",
              "lang": "en-US",
              "type": "CWE"
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          ]
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      ],
      "providerMetadata": {
        "dateUpdated": "2026-01-06T06:34:11.329Z",
        "orgId": "ede6fdc4-6654-4307-a26d-3331c018e2ce",
        "shortName": "jpcert"
      },
      "references": [
        {
          "url": "https://www.plathome.co.jp/support/software/fw5/dx1-v5-0-8/"
        },
        {
          "url": "https://jvn.jp/en/vu/JVNVU97172240/"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "ede6fdc4-6654-4307-a26d-3331c018e2ce",
    "assignerShortName": "jpcert",
    "cveId": "CVE-2026-21411",
    "datePublished": "2026-01-06T06:34:11.329Z",
    "dateReserved": "2026-01-05T02:44:14.797Z",
    "dateUpdated": "2026-01-06T14:49:01.813Z",
    "state": "PUBLISHED"
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  "dataVersion": "5.2"
}