CVE-2021-22284 SECURITY - OPC Server for AC 800M - Remote Code Execution Vulnerability
An attacker can execute arbitrary code on the AC 800M OPC Server due to incorrect permission assignments, requiring immediate patching for industrial control systems.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2021-22284?
CVE-2021-22284 is a high-severity vulnerability in ABB 800xA, Control Software for AC 800M OPC Server for AC 800M, published on 4 Feb 2022. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official 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.
Weakness: CWE-732
Which versions are affected by CVE-2021-22284?
It affects 1 product.
Products include Abb Opc Server for Ac 800m.
How do I fix CVE-2021-22284?
No fix has been published for CVE-2021-22284 yet. Limit exposure of the affected software until one is available.
Is CVE-2021-22284 being exploited?
There is no known exploitation of CVE-2021-22284 in the wild and no public exploit code.
Sources
Also known as GHSA-xpp9-6v93-3xvq.