XXE in Schneider Electric Opc Factory Server (Ofs)

CVE-2023-2161

A CWE-611: Improper Restriction of XML External Entity Reference vulnerability exists that could cause unauthorized read access to the file system when a malicious configuration file is loaded on to the software by a local user. 

Vulnerability class: XXE (XML External Entity)

EPSS: 0.002 (6.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.0 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2023-2161?
CVE-2023-2161 is a medium-severity vulnerability in Schneider Electric Opc Factory Server (Ofs), classified under Improper Restriction of XML External Entity Reference (XXE). CVSS score: 5.0/10. Published 2023-05-16.
How severe is CVE-2023-2161?
Medium severity. CVSS v3 base score is 5.0 out of 10.
Is CVE-2023-2161 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.