CVE-2022-40177: Siemens Desigo PXM30-1 Firmware

Medium severity, CVSS 5.7. EPSS: 1% chance of exploitation in the next 30 days.

A vulnerability has been identified in Desigo PXM30-1 (All versions < V02.20.126.11-41), Desigo PXM30.E (All versions < V02.20.126.11-41), Desigo PXM40-1 (All versions < V02.20.126.11-41), Desigo PXM40.E (All versions < V02.20.126.11-41), Desigo PXM50-1 (All versions < V02.20.126.11-41), Desigo PXM50.E (All versions < V02.20.126.11-41), PXG3.W100-1 (All versions < V02.20.126.11-37), PXG3.W100-2 (All versions < V02.20.126.11-41), PXG3.W200-1 (All versions < V02.20.126.11-37), PXG3.W200-2 (All versions < V02.20.126.11-41). Endpoints of the “Operation” web application that interpret and execute Axon language queries allow file read access to the device file system with root privileges. By supplying specific I/O related Axon queries, a remote low-privileged attacker can read sensitive files on the device.

Affected products

Siemens Desigo PXM30-1 Firmware: before 02.20.126.11-41 (fixed in 02.20.126.11-41)
Siemens Desigo PXM30.E Firmware: before 02.20.126.11-41 (fixed in 02.20.126.11-41)
Siemens Desigo PXM40-1 Firmware: before 02.20.126.11-41 (fixed in 02.20.126.11-41)
Siemens Desigo PXM40.E Firmware: before 02.20.126.11-41 (fixed in 02.20.126.11-41)
Siemens Desigo PXM50-1 Firmware: before 02.20.126.11-41 (fixed in 02.20.126.11-41)
Siemens Desigo PXM50.E Firmware: before 02.20.126.11-41 (fixed in 02.20.126.11-41)
Siemens PXG3.W100-1 Firmware: before 02.20.126.11-37 (fixed in 02.20.126.11-37)
Siemens PXG3.W100-2 Firmware: before 02.20.126.11-41 (fixed in 02.20.126.11-41)
Siemens PXG3.W200-1 Firmware: before 02.20.126.11-37 (fixed in 02.20.126.11-37)
Siemens PXG3.W200-2 Firmware: before 02.20.126.11-41 (fixed in 02.20.126.11-41)

Published 2022-10-11. Last modified 2026-06-17.