CVE-2021-22272

ControlTouch Cloud Service vulnerability: Serial Number can be misused during commissioning phase.

CRITICAL
9.4
CVSS Score
Published: September 27, 2021 at 01:40 PM UTC
Updated: June 17, 2026 at 03:36 AM UTC
2 products affected across 2 vendorsMybusch JaegerMybuildings

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Severity
CRITICAL9.4
Exploit prediction
EPSS 0.7%

Description

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

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < 2021-5-3
Affected range stops below 2021-5-3, so it looks safe — our inference, not a vendor statement
v < 2021-5-3
Affected range stops below 2021-5-3, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

CVSS

Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
LOW
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-200NVD-CWE-noinfo

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