high7.5
CVE-2021-41545
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 < …
Impact
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 versions |
|---|---|---|
| Siemens | Desigo Dxr2 Firmware | before 01.21.142.5-22 |
| Siemens | Desigo Pxc3 Firmware | before 01.21.142.4-18 |
| Siemens | Desigo Pxc4 Firmware | before 02.20.142.10-10884 |
| Siemens | Desigo Pxc5 Firmware | before 02.20.142.10-10884 |