A CWE-611: Improper Restriction of XML External Entity Reference vulnerability exists that could cause loss of confidentiality when replaci…

published 2023-07-12 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-41120

cvss: 5.5; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.2%; EPSS 0.2% chance of exploitation in 30 days, percentile 11%
public exploits: 0; none known

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.

Patch / fix

fixed in 1

se ecostruxure_opc_ua_server_expert 2.01

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: partial
Assessed: 2 y ago (2024-11-07)

Exploit prediction

0.21% chance of exploitation in the next 30 days, higher than 11% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	5.5	CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
NVD	3.1	5.5	CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

Affected products

Schneider Electric EcoStruxure OPC UA Server Expert

Classification

Weakness

CWE-611 Improper Restriction of XML External Entity Reference

References

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
vendor-advisory

Sources

CVE List CVE-2023-37200
NVD CVE-2023-37200

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary