CVE-2022-24043: Siemens Desigo DXR2 Firmware

Medium severity, CVSS 5.3. EPSS: 1.1% 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 login functionality of the application fails to normalize the response times of login attempts performed with wrong usernames with the ones executed with correct usernames. A remote unauthenticated attacker could exploit this side-channel information to perform a username enumeration attack and identify valid usernames.

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 2022-05-20. Last modified 2026-06-17.