ABB B&R Automation Studio

Risk Summary

ABB became aware of vulnerability in the product versions listed as affected in the advisory. An update is available that resolves a vulnerability. Successful exploitation of this vulnerability may enable an attacker to masquerade as a trusted party when B&R Automation Studio establishes a connection with a server via the ANSL over TLS or OPC-UA protocol.

CVEs (1)

Remediations

• The problem is corrected in the following product versions: B&R Automation Studio version 6.5 B&R recommends that customers apply the update at earliest convenience. The process to install updates is described in the user manual. The step to identify the installed product version is de-scribed in the user manual.
• To exploit this vulnerability, an attacker would need to intercept and redirect the communication between B&R Automation Studio and the target server, as well as present manipulated certificates that pass validation checks. B&R recommends operating B&R Automation Studio within Level 2 of the ABB ICS Cyber Security Reference Architecture when connecting to Level 1 devices via ANSL over TLS or OPC-UA. Operating in this trusted environment reduces the risk of successful exploitation drastically. Refer to section “General security recommendations” for further advise on how to keep your system secure.

Affected Vendors

Affected Products (2)

Affected Sectors

Critical Manufacturing