Vulnerability 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.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Siemens | Desigo Dxr2 Firmware | < 01.21.142.5-22 |
| Siemens | Desigo Dxr2 | - |
| Siemens | Desigo Pxc3 Firmware | < 01.21.142.4-18 |
| Siemens | Desigo Pxc3 | - |
| Siemens | Desigo Pxc4 Firmware | < 02.20.142.10-10884 |
| Siemens | Desigo Pxc4 | - |
| Siemens | Desigo Pxc5 Firmware | < 02.20.142.10-10884 |
| Siemens | Desigo Pxc5 | - |
Related Weaknesses (CWE)
References
- https://cert-portal.siemens.com/productcert/pdf/ssa-662649.pdfVendor Advisory
- https://cert-portal.siemens.com/productcert/pdf/ssa-662649.pdfVendor Advisory
FAQ
What is CVE-2021-41545?
CVE-2021-41545 is a vulnerability with a CVSS score of 7.5 (HIGH). 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 ve...
How severe is CVE-2021-41545?
CVE-2021-41545 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-41545?
Check the references section above for vendor advisories and patch information. Affected products include: Siemens Desigo Dxr2 Firmware, Siemens Desigo Dxr2, Siemens Desigo Pxc3 Firmware, Siemens Desigo Pxc3, Siemens Desigo Pxc4 Firmware.