CVE-2022-24042: Siemens Desigo DXR2 Firmware

Critical severity, CVSS 9.1. EPSS: 1% chance of exploitation in the next 30 days.

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). The web application returns an AuthToken that does not expire at the defined auto logoff delay timeout. An attacker could be able to capture this token and re-use old session credentials or session IDs for authorization.

Affected products

• Siemens Desigo DXR2 Firmware: before 01.21.142.5-22 (fixed in 01.21.142.5-22)
• Siemens Desigo PXC3 Firmware: before 01.21.142.4-18 (fixed in 01.21.142.4-18)
• Siemens Desigo PXC4 Firmware: before 02.20.142.10-10884 (fixed in 02.20.142.10-10884)
• Siemens Desigo PXC5 Firmware: before 02.20.142.10-10884 (fixed in 02.20.142.10-10884)

Published 2022-05-10. Last modified 2026-06-17.