Description
A vulnerability has been identified in Desigo DXR2 (All versions < V01.21.142.5-22), Desigo PXC3 (All versions < V01.21.142.4-18), Desigo PXC4 (All versions < V02.20.142.10-10884), Desigo PXC5 (All versions < V02.20.142.10-10884). When the controller receives a specific BACnet protocol packet, an exception causes the BACnet communication function to go into a “out of work” state and could result in the controller going into a “factory reset” state.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Siemens | Desigo DXR2 | All versions < V01.21.142.5-22 | — |
| Siemens | Desigo PXC3 | All versions < V01.21.142.4-18 | — |
| Siemens | Desigo PXC4 | All versions < V02.20.142.10-10884 | — |
| Siemens | Desigo PXC5 | All versions < V02.20.142.10-10884 | — |
Advisories 2
- ICSA-22-132-10 Siemens Desigo PXC and DXR Devices CISA ICS & IT advisories · Jun 16, 2022
- SSA-662649 SSA-662649: Denial of Service Vulnerability in Desigo DXR and PXC Controllers Siemens ProductCERT · Jun 14, 2022