{"schemaVersion":3,"id":"CVE-2019-13939","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"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.","dates":{"published":"2020-01-16T15:35:24.000Z","modified":"2025-06-10T15:17:09.328Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":7.1,"severity":"high","version":"4.0","versionLabel":"v4.0","source":"CVE.org","vector":"CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N","computed":false,"selection":"backend-summary"},"metrics":[{"version":"4.0","versionLabel":"v4.0","source":"CVE.org","score":7.1,"severity":"high","vector":"CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N","exploitability":null,"impact":null,"computed":false},{"version":"3.1","versionLabel":"v3.1","source":"CVE.org","score":7.1,"severity":"high","vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H","exploitability":null,"impact":null,"computed":false},{"version":"4.0","versionLabel":"v4.0","source":"NVD","score":7.1,"severity":"high","vector":"CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","exploitability":null,"impact":null,"computed":false},{"version":"3.1","versionLabel":"v3.1","source":"NVD","score":7.1,"severity":"high","vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H","exploitability":null,"impact":null,"computed":false},{"version":"2.0","versionLabel":"v2.0","source":"NVD","score":4.8,"severity":"medium","vector":"AV:A/AC:L/Au:N/C:N/I:P/A:P","exploitability":null,"impact":null,"computed":false}]},"epss":{"probability":0.00715,"percentile":0.52882,"severity":"low","asOf":"2026-10-19T00:00:00.000Z","change":{"pp":0,"baselineDate":"2026-09-19T00:00:00.000Z","baselineScore":0.00715},"history":[{"date":"2026-09-14T00:00:00.000Z","score":0.00715,"percentile":null},{"date":"2026-09-15T00:00:00.000Z","score":0.00715,"percentile":null},{"date":"2026-09-16T00:00:00.000Z","score":0.00715,"percentile":null},{"date":"2026-09-17T00:00:00.000Z","score":0.00715,"percentile":null},{"date":"2026-09-18T00:00:00.000Z","score":0.00715,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.00715,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.00715,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.00715,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.00715,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.00715,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.00715,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.00715,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.00715,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.00715,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.00715,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.00715,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.00715,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.00715,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.00715,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.00715,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.00715,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.00715,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.00715,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.00715,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.00715,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.00715,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.00715,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.00715,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.00715,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.00715,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.00715,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.00715,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.00715,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.00715,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.00715,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.00715,"percentile":0.52882}],"last30":[{"date":"2026-09-19T00:00:00.000Z","score":0.00715,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.00715,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.00715,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.00715,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.00715,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.00715,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.00715,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.00715,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.00715,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.00715,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.00715,"percentile":null},{"date":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