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ICSA-26-146-02  ·  Published 2026-05-26  ·  View on CISA ICS-CERT ↗

ABB AC500 V2

CVSS 5.8 MEDIUM

Risk Summary

ABB became aware of vulnerabilities in AC500 V2 listed as affected in the advisory. An attacker who successfully exploited this vulnerability could access fragments of Modbus telegrams that have been sent earlier by that PLC

CVEs (1)

Remediations

  • The vulnerabilities have been resolved in the following product versions: AC500 V2 firmware version 2.5.3 (released in 2016) and later

Affected Vendors

ABB

Affected Products (2)

ABB · AC500 V2 <=2.5.2
ABB · AC500 V2 2.5.3

Affected Sectors

Critical Manufacturing, Energy, Water and Wastewater

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