High severity8.4NVD Advisory· Published Feb 4, 2022· Updated Jun 17, 2026

CVE-2021-22284

Description

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
cpe:2.3:a:abb:opc_server_for_ac_800m:*:*:*:*:*:*:*:*
Range: >=5.1.0-0,<6.0.0-4
Abb/OPCServer for AC800Mllm-fuzzy
ABB/800xA, Control Software for AC 800M OPC Server for AC 800Mv5
Range: unspecified
Abb/Compact Product Suite - Control and I/Ocpe-rescue
Range: unspecified
ABB/Control Builder Safe, version 1.x OPC Server for AC 800Mv5
Range: 5.1.1-1
ABB/Control Builder Safe, version 2.0 OPC Server for AC 800Mv5
Range: 6.0.0-1

Patches

Vulnerability mechanics

References

search.abb.com/library/Download.aspxnvdVendor Advisory

News mentions

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