CVE-2021-41545 Information

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 Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Reference

https://cert-portal.siemens.com/productcert/pdf/ssa-662649.pdf

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

7.5