{
  "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-2023-0052",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2023-0052",
    "idYear": 2023,
    "status": "PUBLISHED",
    "publishedAt": "2023-01-20T21:23:08.018Z",
    "updatedAt": "2025-01-16T21:59:17.430Z",
    "importedAt": "2026-10-24T01:56:49.724Z",
    "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": "SAUTER Controls Nova 200–220 Series Missing Authentication for Critical Function",
      "summary": "SAUTER Controls Nova 200–220 Series with firmware version 3.3-006 and prior and BACnetstac version 4.2.1 and prior allows the execution of commands without credentials. As Telnet and file transfer protocol (FTP) are the only protocols available for device management, an unauthorized user could access the system and modify the device configuration, which could result in the unauthorized user executing unrestricted malicious commands.\n\n",
      "affected": [
        {
          "vendor": "SAUTER Controls",
          "product": "Nova 220 (EYK220F001) DDC with BACnet connection",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "Firmware all versions",
              "status": "affected",
              "versionType": "custom",
              "lessThanOrEqual": "3.3-006"
            },
            {
              "version": "BACnetstac all versions",
              "status": "affected",
              "versionType": "custom",
              "lessThanOrEqual": "4.2.1"
            }
          ]
        },
        {
          "vendor": "SAUTER Controls",
          "product": "Nova 230 (EYK230F001) DDC with BACnet connection",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "Firmware all versions",
              "status": "affected",
              "versionType": "custom",
              "lessThanOrEqual": "3.3-006"
            },
            {
              "version": "BACnetstac all versions",
              "status": "affected",
              "versionType": "custom",
              "lessThanOrEqual": "4.2.1"
            }
          ]
        },
        {
          "vendor": "SAUTER Controls",
          "product": "Nova 106 (EYK300F001) BACnet communication card",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "Firmware all versions",
              "status": "affected",
              "versionType": "custom",
              "lessThanOrEqual": "3.3-006"
            },
            {
              "version": "BACnetstac all versions",
              "status": "affected",
              "versionType": "custom",
              "lessThanOrEqual": "4.2.1"
            }
          ]
        },
        {
          "vendor": "SAUTER Controls",
          "product": "moduNet300 (EY-AM300F001, EY-AM300F002)",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "Firmware all versions",
              "status": "affected",
              "versionType": "custom",
              "lessThanOrEqual": "3.3-006"
            },
            {
              "version": "BACnetstac all versions",
              "status": "affected",
              "versionType": "custom",
              "lessThanOrEqual": "4.2.1"
            }
          ]
        }
      ]
    }
  }
}