CVE-2021-22284: Abb Opc Server For Ac 800m

High severity, CVSS 8.8. EPSS: 0.8% chance of exploitation in the next 30 days.

Incorrect Permission Assignment for Critical Resource vulnerability in OPC Server for AC 800M allows an attacker to execute arbitrary code in the node running the AC800M OPC Server.

Affected products

• Abb Opc Server For Ac 800m: from 5.1.0-0, before 6.0.0-4 (fixed in 6.0.0-4)

Published 2022-02-04. Last modified 2026-06-17.