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.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Siemens | APOGEE MEC/MBC/PXC (P2) | All versions < V2.8.2 | — |
| Siemens | APOGEE PXC Compact (BACnet) | < V3.5.3 | V3.5.3 |
| Siemens | APOGEE PXC Compact (P2 Ethernet) | V2.8.2 – < V2.8.19 | V2.8.19 |
| Siemens | APOGEE PXC Modular (BACnet) | < V3.5.3 | V3.5.3 |
| Siemens | APOGEE PXC Modular (P2 Ethernet) | V2.8.2 – < V2.8.19 | V2.8.19 |
| Siemens | Capital Embedded AR Classic 431-422 | — | — |
| Siemens | Capital Embedded AR Classic R20-11 | < V2303 | V2303 |
| Siemens | Desigo PXC00-E.D | V2.3 – < V6.0.327 | V6.0.327 |
| Siemens | Desigo PXC00-U | All versions >= V2.3x and < V6.00.327 | — |
| Siemens | Desigo PXC001-E.D | V2.3 – < V6.0.327 | V6.0.327 |
| Siemens | Desigo PXC100-E.D | V2.3 – < V6.0.327 | V6.0.327 |
| Siemens | Desigo PXC12-E.D | V2.3 – < V6.0.327 | V6.0.327 |
| Siemens | Desigo PXC128-U | All versions >= V2.3x and < V6.00.327 | — |
| Siemens | Desigo PXC200-E.D | V2.3 – < V6.0.327 | V6.0.327 |
| Siemens | Desigo PXC22-E.D | V2.3 – < V6.0.327 | V6.0.327 |
| Siemens | Desigo PXC22.1-E.D | V2.3 – < V6.0.327 | V6.0.327 |
| Siemens | Desigo PXC36.1-E.D | V2.3 – < V6.0.327 | V6.0.327 |
| Siemens | Desigo PXC50-E.D | V2.3 – < V6.0.327 | V6.0.327 |
| Siemens | Desigo PXC64-U | All versions >= V2.3x and < V6.00.327 | — |
| Siemens | Desigo PXM20-E | V2.3 – < V6.0.327 | V6.0.327 |
| Siemens | Nucleus NET | — | — |
| Siemens | Nucleus ReadyStart V3 | < V2017.02.3 | V2017.02.3 |
| Siemens | Nucleus Source Code | — | — |
| Siemens | SIMOTICS CONNECT 400 | All versions < V0.3.0.330 | — |
| Siemens | TALON TC Compact (BACnet) | < V3.5.3 | V3.5.3 |
| Siemens | TALON TC Modular (BACnet) | < V3.5.3 | V3.5.3 |
Advisories 4
- ICSA-20-105-06 Siemens SIMOTICS, Desigo, APOGEE, and TALON CISA ICS & IT advisories · Jun 10, 2025
- SSA-162506 SSA-162506: DHCP Client Vulnerability in SIMOTICS CONNECT 400, Desigo PXC/PXM, APOGEE MEC/MBC/PXC, APOGEE PXC Series, and TALON TC Series Siemens ProductCERT · Jun 10, 2025
- ICSA-19-318-01 Siemens Mentor Nucleus Networking Module CISA ICS & IT advisories · Mar 11, 2025
- SSA-434032 SSA-434032: Input Validation Vulnerability in the DHCP Client of Nucleus RTOS Siemens ProductCERT · Mar 11, 2025
References
- https://cert-portal.siemens.com/productcert/pdf/ssa-434032.pdf
- https://cert-portal.siemens.com/productcert/pdf/ssa-162506.pdf
- https://us-cert.cisa.gov/ics/advisories/icsa-20-105-06
- https://cert-portal.siemens.com/productcert/html/ssa-434032.html
- https://cert-portal.siemens.com/productcert/html/ssa-162506.html