CVEvulnerability
CVE-2021-41545
7.5 HIGH
Official page ↗
- Status
- Modified
- Published
- 2022-05-10
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 7.5 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- CVSS 2.0 ([email protected])
- 5.0 MEDIUM — AV:N/AC:L/Au:N/C:N/I:N/A:P
- Weaknesses
- CWE-248
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 configurations
• siemens desigo dxr2 firmware (< 01.21.142.5-22)
• siemens desigo pxc3 firmware (< 01.21.142.4-18)
• siemens desigo pxc4 firmware (< 02.20.142.10-10884)
• siemens desigo pxc5 firmware (< 02.20.142.10-10884)
Related
Weakness · CWE (1)
- CWE-248 Uncaught Exception weakness
References
- https://cert-portal.siemens.com/productcert/pdf/ssa-662649.pdf Vendor Advisory
- https://cert-portal.siemens.com/productcert/pdf/ssa-662649.pdf Vendor Advisory