CVE-2023-37200 XML external entity in EcoStruxure OPC UA Server Expert

Medium 5.5 Published Updated

An attacker can exploit an XML External Entity vulnerability to read local files, requiring manual server restart for impact.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Local or same network only
Victim action needed
A user has to click or open something
Fix
None listed

What is CVE-2023-37200?

CVE-2023-37200 is a medium-severity vulnerability in Schneider Electric EcoStruxure OPC UA Server Expert, published on 12 Jul 2023. 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

A CWE-611: Improper Restriction of XML External Entity Reference vulnerability exists that could cause loss of confidentiality when replacing a project file on the local filesystem and after manual restart of the server.

Weakness: CWE-611

Which versions are affected by CVE-2023-37200?

It affects 1 product.

Products include Se Ecostruxure Opc Ua Server Expert.

How do I fix CVE-2023-37200?

No fix has been published for CVE-2023-37200 yet. Limit exposure of the affected software until one is available.

Is CVE-2023-37200 being exploited?

There is no known exploitation of CVE-2023-37200 in the wild and no public exploit code.

Sources

Also known as GHSA-mhjw-pxqp-cm9c.

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