Vulnerability · Published May 10, 2022 · Assigned by siemens
CVE-2021-41545
High 7.5
In plain English
A high-severity security flaw in Desigo DXR2 from Siemens. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.9% (higher than 61% of all known vulnerabilities).
Official 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 (as reported)
| Vendor | Product | Versions |
|---|---|---|
| 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 |
Weakness: CWE-248
References
- https://cert-portal.siemens.com/productcert/pdf/ssa-662649.pdf x_refsource_MISC