CVE-2021-22284 - CVE House
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Status published High CVE-2021-22284

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

Vulnerability 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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

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

Affected Vendor

Affected Software

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
Vulnerable Versions:
unspecified, 6.0.0-1, 6.0.0-2, 6.0.0-3, 5.1.1-1

Timeline

Official Publish: February 4th, 2022
Last Modified: September 16th, 2024
Added to House: July 21st, 2026

CVSS Vectors

V3: CVSS:3.1/AV:A/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H

Weaknesses (CWE)