CVE-2021-22272: Abb Mybuildings

Critical severity, CVSS 9.4. EPSS: 0.7% chance of exploitation in the next 30 days.

The vulnerability origins in the commissioning process where an attacker of the ControlTouch can enter a serial number in a specific way to transfer the device virtually into her/his my.busch-jaeger.de or mybuildings.abb.com profile. A successful attacker can observe and control a ControlTouch remotely under very specific circumstances. The issue is fixed in the cloud side of the system. No firmware update is needed for customer products. If a user wants to understand if (s)he is affected, please read the advisory. This issue affects: ABB and Busch-Jaeger, ControlTouch

Affected products

• Abb Mybuildings: before 2021-05-03 (fixed in 2021-05-03)
• Busch-Jaeger Mybusch-Jaeger: before 2021-05-03 (fixed in 2021-05-03)

Published 2021-09-27. Last modified 2026-06-17.