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)
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.002 (6.0th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 6th percentile — 6.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000
Affected products
- Schneider Electric Opc Factory Server (Ofs) — versions Versions prior to V3.63SP2
- Schneider-Electric Opc Factory Server — versions 3.63
Weakness classification (CWE)
Public proof-of-concept exploits
References
- download.schneider-electric.com/files (Vendor Advisory)
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.