[Control systems] ABB security advisory (AV26-664)
Serial number: AV26-664 Date: July 7, 2026 On July 6, 2026, ABB published a security advisory to address vulnerabilities in the following product: ABB Ability zenon – all versions APROL – versions prior to R 4.4-01P5 The Cyber Centre encourages users and administrators to review the provided web links and perform the suggested mitigations. ABB Ability zenon Remote Transport Vulnerability (PDF) Security Issues addressed in APROL R 4.4-01P5 (PDF) ABB Cyber security alerts and notifications
CSIRTS triage
- What
- ABB published a security advisory to address vulnerabilities in ABB Ability zenon and APROL.
- Who is affected
- Users of ABB Ability zenon and APROL versions prior to R 4.4-01P5.
- Urgency
- Remediation is advisable to maintain security, though exploitation status is not specified.
- Action
- Update to APROL version R 4.4-01P5 or later.
AI-assisted analysis generated from the source advisory — verify against the original.
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Details
Original advisory: https://cyber.gc.ca/en/alerts-advisories/control-systems-abb-security-advisory-av26-664
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