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ICSA-26-141-03  ·  Published 2026-05-21  ·  View on CISA ICS-CERT ↗

ABB B&R Automation Studio

CVSS 9.8 CRITICAL

Risk Summary

ABB became aware of vulnerability in the product versions listed as affected in the advisory. An update is available that replaces an outdated third-party component. Although no successful exploitation was observed during testing of the affected B&R products, the identified vulnerabilities could present potential attack vectors that might enable unauthorized access, data exposure, or remote code execution.

Remediations

  • The problem is corrected in the following product versions: B&R Automation Studio 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 described in the user manual.
  • Refer to section “General security recommendations” for advice on how to keep your system secure.

Affected Vendors

ABB

Affected Products (2)

ABB · B&R Automation Studio <6.5
ABB · B&R Automation Studio 6.5

Affected Sectors

Energy

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