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CVE-2021-22284

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

HIGH
8.8
CVSS Score
Published: February 4, 2022 at 10:29 PM UTC
Updated: June 17, 2026 at 03:36 AM UTC
5 products affected across 1 vendorOPC Server for AC 800MControl Builder Safe800XA

Using 800xA, Control Software for AC 800M OPC Server for AC 800M by ABB?

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Severity
HIGH8.8
Exploit prediction
EPSS 0.8%

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

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

OPC Server for AC 800M· ABB
95%
v ≤ 5.1.0-xv ≤ 5.1.1-xv ≤ 6.0.0-x5.1.0-0 ≤ v < 6.0.0-45.1.1-16.0.0-16.0.0-26.0.0-3
Affected range stops below 6.0.0-4, so it looks safe — our inference, not a vendor statement
800XA· ABB
60%
v ≤ 5.1.0-xv ≤ 5.1.1-x6.0.0-16.0.0-26.0.0-3
Compact Product Suite· ABB
60%
v ≤ 5.1.0-xv ≤ 5.1.1-xv ≤ 6.0.0-x
Control Builder Safe· ABB
60%
5.1.1-16.0.0-1
Control Software for AC 800M· ABB
60%
v ≤ 5.1.0-xv ≤ 5.1.1-x6.0.0-16.0.0-26.0.0-3

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (1)

x_refsource_MISCVendor Advisory
Source: [email protected]
https://search.abb.com/library/Download.aspx?DocumentID=7PAA000908&LanguageCode=en&DocumentPartId=&Action=Launch

CVSS

8.8HIGH[email protected]
Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-732

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