CVE-2019-13939

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.

• CWE-20

• https://cert-portal.siemens.com/productcert/html/ssa-162506.html
• https://cert-portal.siemens.com/productcert/html/ssa-434032.html
• https://cert-portal.siemens.com/productcert/pdf/ssa-162506.pdfVendor Advisory
• https://cert-portal.siemens.com/productcert/pdf/ssa-434032.pdfVendor Advisory
• https://us-cert.cisa.gov/ics/advisories/icsa-20-105-06Third Party Advisory, US Government Resource
• https://cert-portal.siemens.com/productcert/html/ssa-162506.html
• https://cert-portal.siemens.com/productcert/html/ssa-434032.html
• https://cert-portal.siemens.com/productcert/pdf/ssa-162506.pdfVendor Advisory
• https://cert-portal.siemens.com/productcert/pdf/ssa-434032.pdfVendor Advisory
• https://us-cert.cisa.gov/ics/advisories/icsa-20-105-06Third Party Advisory, US Government Resource

Published

Jan 16, 2020

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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