CVE-2021-22284

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

Remediation

Solution:

  • Customers on version 5.1 or older are recommended to upgrade to a supported version that is not affected by this issue such as version 6.1 or later.

Category

8.4
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.34%
Vendor Advisory abb.com
Affected: ABB 800xA, Control Software for AC 800M OPC Server for AC 800M
Affected: ABB Control Builder Safe, version 1.x OPC Server for AC 800M
Affected: ABB Control Builder Safe, version 2.0 OPC Server for AC 800M
Affected: ABB Compact Product Suite - Control and I/O OPC Server for AC 800M
Published at:
Updated at:

References

Link Tags
https://search.abb.com/library/Download.aspx?DocumentID=7PAA000908&LanguageCode=en&DocumentPartId=&Action=Launch vendor advisory

Frequently Asked Questions

What is the severity of CVE-2021-22284?
CVE-2021-22284 has been scored as a high severity vulnerability.
How to fix CVE-2021-22284?
To fix CVE-2021-22284: Customers on version 5.1 or older are recommended to upgrade to a supported version that is not affected by this issue such as version 6.1 or later.
Is CVE-2021-22284 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-22284 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-22284?
CVE-2021-22284 affects ABB 800xA, Control Software for AC 800M OPC Server for AC 800M, ABB Control Builder Safe, version 1.x OPC Server for AC 800M, ABB Control Builder Safe, version 2.0 OPC Server for AC 800M, ABB Compact Product Suite - Control and I/O OPC Server for AC 800M.
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