SECURITY - OPC Server for AC 800M - Remote Code Execution Vulnerability
CVE-2021-22284

8.4HIGH

Key Information:

Vendor

Abb

Status
800xa, Control Software For Ac 800m Opc Server For Ac 800m
Control Builder Safe, Version 1.x Opc Server For Ac 800m
Control Builder Safe, Version 2.0 Opc Server For Ac 800m
Compact Product Suite - Control And I/o Opc Server For Ac 800m
Vendor
CVE Published:
4 February 2022

What is CVE-2021-22284?

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.

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Deploy the Patch

Affected Version(s)

800xA, Control Software for AC 800M OPC Server for AC 800M <= 5.1.0-x

800xA, Control Software for AC 800M OPC Server for AC 800M <= 5.1.1-x

800xA, Control Software for AC 800M OPC Server for AC 800M 6.0.0-1

References

https://search.abb.com/library/Download.aspx?DocumentID=7...
x_refsource_MISC

CVSS V3.1

Score:
8.4
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Adjacent Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
Required
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

ABB thanks William Knowles at Applied Risk for helping to identify the vulnerabilities and protecting our customers.
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