{
  "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-2019-13939",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2019-13939",
    "idYear": 2019,
    "status": "PUBLISHED",
    "publishedAt": "2020-01-16T15:35:24.000Z",
    "updatedAt": "2025-06-10T15:17:09.328Z",
    "importedAt": "2026-10-24T01:56:08.750Z",
    "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": "A vulnerability has been identified in APOGEE MEC/MBC/PXC (P2) (All versions < V2.8.2), APOGEE PXC Compact (BACnet) (All versions < V3.5.3), APOGEE PXC Compact (P2 Ethernet) (All versions >= V2.8.2 < V2.8.19), APOGEE PXC Modular (BACnet) (All versions < V3.5.3), APOGEE PXC Modular (P2 Ethernet) (All versions >= V2.8.2 < V2.8.19), Capital Embedded AR Classic 431-422 (All versions), Capital Embedded AR Classic R20-11 (All versions < V2303), Desigo PXC00-E.D (All versions >= V2.3 < V6.0.327), Desigo PXC00-U (All versions >= V2.3x and < V6.00.327), Desigo PXC001-E.D (All versions >= V2.3 < V6.0.327), Desigo PXC100-E.D (All versions >= V2.3 < V6.0.327), Desigo PXC12-E.D (All versions >= V2.3 < V6.0.327), Desigo PXC128-U (All versions >= V2.3x and < V6.00.327), Desigo PXC200-E.D (All versions >= V2.3 < V6.0.327), Desigo PXC22-E.D (All versions >= V2.3 < V6.0.327), Desigo PXC22.1-E.D (All versions >= V2.3 < V6.0.327), Desigo PXC36.1-E.D (All versions >= V2.3 < V6.0.327), Desigo PXC50-E.D (All versions >= V2.3 < V6.0.327), Desigo PXC64-U (All versions >= V2.3x and < V6.00.327), Desigo PXM20-E (All versions >= V2.3 < V6.0.327), Nucleus NET (All versions), Nucleus ReadyStart V3 (All versions < V2017.02.3), Nucleus Source Code (All versions), SIMOTICS CONNECT 400 (All versions < V0.3.0.330), TALON TC Compact (BACnet) (All versions < V3.5.3), TALON TC Modular (BACnet) (All versions < V3.5.3). By sending specially crafted DHCP packets to a device where the DHCP client is enabled, an attacker could change the IP address of the device to an invalid value.",
      "affected": [
        {
          "vendor": "Siemens",
          "product": "APOGEE MEC/MBC/PXC (P2)",
          "defaultStatus": "unknown",
          "versions": [
            {
              "version": "All versions < V2.8.2",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "Siemens",
          "product": "APOGEE PXC Compact (BACnet)",
          "defaultStatus": "unknown",
          "versions": [
            {
              "version": "0",
              "status": "affected",
              "versionType": "custom",
              "lessThan": "V3.5.3"
            }
          ]
        },
        {
          "vendor": "Siemens",
          "product": "APOGEE PXC Compact (P2 Ethernet)",
          "defaultStatus": "unknown",
          "versions": [
            {
              "version": "V2.8.2",
              "status": "affected",
              "versionType": "custom",
              "lessThan": "V2.8.19"
            }
          ]
        },
        {
          "vendor": "Siemens",
          "product": "APOGEE PXC Modular (BACnet)",
          "defaultStatus": "unknown",
          "versions": [
            {
              "version": "0",
              "status": "affected",
              "versionType": "custom",
              "lessThan": "V3.5.3"
            }
          ]
        },
        {
          "vendor": "Siemens",
          "product": "APOGEE PXC Modular (P2 Ethernet)",
          "defaultStatus": "unknown",
          "versions": [
            {
              "version": "V2.8.2",
              "status": "affected",
              "versionType": "custom",
              "lessThan": "V2.8.19"
            }
          ]
        },
        {
          "vendor": "Siemens",
          "product": "Capital Embedded AR Classic 431-422",
          "defaultStatus": "unknown",
          "versions": [
            {
              "version": "0",
              "status": "affected",
              "versionType": "custom",
              "lessThan": "*"
            }
          ]
        },
        {
          "vendor": "Siemens",
          "product": "Capital Embedded AR Classic R20-11",
          "defaultStatus": "unknown",
          "versions": [
            {
              "version": "0",
              "status": "affected",
              "versionType": "custom",
              "lessThan": "V2303"
            }
          ]
        },
        {
          "vendor": "Siemens",
          "product": "Desigo PXC00-E.D",
          "defaultStatus": "unknown",
          "versions": [
            {
              "version": "V2.3",
              "status": "affected",
              "versionType": "custom",
              "lessThan": "V6.0.327"
            }
          ]
        },
        {
          "vendor": "Siemens",
          "product": "Desigo PXC00-U",
          "defaultStatus": "unknown",
          "versions": [
            {
              "version": "All versions >= V2.3x and < V6.00.327",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "Siemens",
          "product": "Desigo PXC001-E.D",
          "defaultStatus": "unknown",
          "versions": [
            {
              "version": "V2.3",
              "status": "affected",
              "versionType": "custom",
              "lessThan": "V6.0.327"
            }
          ]
        },
        {
          "vendor": "Siemens",
          "product": "Desigo PXC100-E.D",
          "defaultStatus": "unknown",
          "versions": [
            {
              "version": "V2.3",
              "status": "affected",
              "versionType": "custom",
              "lessThan": "V6.0.327"
            }
          ]
        },
        {
          "vendor": "Siemens",
          "product": "Desigo PXC12-E.D",
          "defaultStatus": "unknown",
          "versions": [
            {
              "version": "V2.3",
              "status": "affected",
              "versionType": "custom",
              "lessThan": "V6.0.327"
            }
          ]
        },
        {
          "vendor": "Siemens",
          "product": "Desigo PXC128-U",
          "defaultStatus": "unknown",
          "versions": [
            {
              "version": "All versions >= V2.3x and < V6.00.327",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "Siemens",
          "product": "Desigo PXC200-E.D",
          "defaultStatus": "unknown",
          "versions": [
            {
              "version": "V2.3",
              "status": "affected",
              "versionType": "custom",
              "lessThan": "V6.0.327"
            }
          ]
        },
        {
          "vendor": "Siemens",
          "product": "Desigo PXC22-E.D",
          "defaultStatus": "unknown",
          "versions": [
            {
              "version": "V2.3",
              "status": "affected",
              "versionType": "custom",
              "lessThan": "V6.0.327"
            }
          ]
        },
        {
          "vendor": "Siemens",
          "product": "Desigo PXC22.1-E.D",
          "defaultStatus": "unknown",
          "versions": [
            {
              "version": "V2.3",
              "status": "affected",
              "versionType": "custom",
              "lessThan": "V6.0.327"
            }
          ]
        },
        {
          "vendor": "Siemens",
          "product": "Desigo PXC36.1-E.D",
          "defaultStatus": "unknown",
          "versions": [
            {
              "version": "V2.3",
              "status": "affected",
              "versionType": "custom",
              "lessThan": "V6.0.327"
            }
          ]
        },
        {
          "vendor": "Siemens",
          "product": "Desigo PXC50-E.D",
          "defaultStatus": "unknown",
          "versions": [
            {
              "version": "V2.3",
              "status": "affected",
              "versionType": "custom",
              "lessThan": "V6.0.327"
            }
          ]
        },
        {
          "vendor": "Siemens",
          "product": "Desigo PXC64-U",
          "defaultStatus": "unknown",
          "versions": [
            {
              "version": "All versions >= V2.3x and < V6.00.327",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "Siemens",
          "product": "Desigo PXM20-E",
          "defaultStatus": "unknown",
          "versions": [
            {
              "version": "V2.3",
              "status": "affected",
              "versionType": "custom",
              "lessThan": "V6.0.327"
            }
          ]
        },
        {
          "vendor": "Siemens",
          "product": "Nucleus NET",
          "defaultStatus": "unknown",
          "versions": [
            {
              "version": "0",
              "status": "affected",
              "versionType": "custom",
              "lessThan": "*"
            }
          ]
        },
        {
          "vendor": "Siemens",
          "product": "Nucleus ReadyStart V3",
          "defaultStatus": "unknown",
          "versions": [
            {
              "version": "0",
              "status": "affected",
              "versionType": "custom",
              "lessThan": "V2017.02.3"
            }
          ]
        },
        {
          "vendor": "Siemens",
          "product": "Nucleus Source Code",
          "defaultStatus": "unknown",
          "versions": [
            {
              "version": "0",
              "status": "affected",
              "versionType": "custom",
              "lessThan": "*"
            }
          ]
        },
        {
          "vendor": "Siemens",
          "product": "SIMOTICS CONNECT 400",
          "defaultStatus": "unknown",
          "versions": [
            {
              "version": "All versions < V0.3.0.330",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "Siemens",
          "product": "TALON TC Compact (BACnet)",
          "defaultStatus": "unknown",
          "versions": [
            {
              "version": "0",
              "status": "affected",
              "versionType": "custom",
              "lessThan": "V3.5.3"
            }
          ]
        },
        {
          "vendor": "Siemens",
          "product": "TALON TC Modular (BACnet)",
          "defaultStatus": "unknown",
          "versions": [
            {
              "version": "0",
              "status": "affected",
              "versionType": "custom",
              "lessThan": "V3.5.3"
            }
          ]
        }
      ]
    }
  }
}