CVE-2023-37200

Severity: medium (CVSS 5.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2023-07-12 · updated 2026-06-17
Weakness: CWE-611

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.

Affected products

Schneider Electric EcoStruxure OPC UA Server Expert: before 2.01; 2.01 — fixed in 2.01

How to fix

Upgrade to a fixed version: Schneider Electric EcoStruxure OPC UA Server Expert 2.01. Check the vendor advisory for mitigations.

References

https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2023-192-02&p_enDocType=Security+and+Safety+Notice&p_File_Name=SEVD-2023-192-02.pdf
https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2023-192-02&p_enDocType=Security+and+Safety+Notice&p_File_Name=SEVD-2023-192-02.pdf

Get alerted when CVE-2023-37200 or the next vulnerability affects your stack