{
  "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-2023-6711",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2023-6711",
    "idYear": 2023,
    "status": "PUBLISHED",
    "publishedAt": "2023-12-19T14:53:44.658Z",
    "updatedAt": "2024-09-25T08:43:52.208Z",
    "importedAt": "2026-10-24T01:57:03.413Z",
    "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": "Vulnerability exists in SCI IEC 60870-5-104 and HCI IEC 60870-5-104 that affects the RTU500 series product versions listed below. Specially crafted messages sent to the mentioned components are not validated properly and can result in buffer overflow and as final consequence to a reboot of an RTU500 CMU.",
      "affected": [
        {
          "vendor": "Hitachi Energy",
          "product": "RTU500 series CMU Firmware",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "12.0.1",
              "status": "affected",
              "versionType": "custom",
              "lessThanOrEqual": "12.0.14"
            },
            {
              "version": "12.2.1",
              "status": "affected",
              "versionType": "custom",
              "lessThanOrEqual": "12.2.11"
            },
            {
              "version": "12.4.1",
              "status": "affected",
              "versionType": "custom",
              "lessThanOrEqual": "12.4.11"
            },
            {
              "version": "12.6.1",
              "status": "affected",
              "versionType": "custom",
              "lessThanOrEqual": "12.6.9"
            },
            {
              "version": "12.7.1",
              "status": "affected",
              "versionType": "custom",
              "lessThanOrEqual": "12.7.6"
            },
            {
              "version": "13.2.1",
              "status": "affected",
              "versionType": "custom",
              "lessThanOrEqual": "13.2.6"
            },
            {
              "version": "13.4.1",
              "status": "affected",
              "versionType": "custom",
              "lessThanOrEqual": "13.4.3"
            },
            {
              "version": "13.5.1",
              "status": "affected"
            }
          ]
        }
      ]
    }
  }
}