CVE-2022-41667 Path traversal in EcoStruxure Operator Terminal Expert

High 7.0 Published Updated

Local attackers can exploit a path traversal flaw to load malicious DLLs and execute arbitrary code in Schneider Electric HMI software.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Local or same network only
Victim action needed
Not needed
Fix
None listed

What is CVE-2022-41667?

CVE-2022-41667 is a high-severity path traversal vulnerability in Schneider Electric EcoStruxure Operator Terminal Expert, published on 4 Nov 2022. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

A CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') vulnerability exists that allows adversaries with local user privileges to load a malicious DLL which could lead to execution of malicious code. Affected Products: EcoStruxure Operator Terminal Expert(V3.3 Hotfix 1 or prior), Pro-face BLUE(V3.3 Hotfix1 or prior).

Weakness: CWE-22

Which versions are affected by CVE-2022-41667?

It affects 2 products.

Products include Schneider-Electric Ecostruxure Operator Terminal Expert, Schneider-Electric Pro-Face Blue.

How do I fix CVE-2022-41667?

No fix has been published for CVE-2022-41667 yet. Limit exposure of the affected software until one is available.

Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.

Is CVE-2022-41667 being exploited?

There is no known exploitation of CVE-2022-41667 in the wild and no public exploit code.

Sources

Also known as GHSA-wvhq-6m88-m4cx.

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