What is CVE-2022-2967?

CVE-2022-2967 is a medium-severity vulnerability in Prosys Opc Ua Modbus Server, classified under Insufficiently Protected Credentials. CVSS score: 6.5/10. Published 2023-01-03.

How severe is CVE-2022-2967?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Vulnerability in Prosys Opc Ua Modbus Server

CVE-2022-2967

Prosys OPC UA Simulation Server version prior to v5.3.0-64 and UA Modbus Server versions 1.4.18-5 and prior do not sufficiently protect credentials, which could allow an attacker to obtain user credentials and gain access to system data.

Published 2023-01-03 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.004 (32.1th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 32nd percentile — 32.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000

Affected products

Prosys Opc Ua Modbus Server — versions 0
Prosys Opc Ua Simulation Server — versions 0
Prosysopc Ua Modbus Server
Prosysopc Ua Simulation Server

Weakness classification (CWE)

CWE-522 — Insufficiently Protected Credentials

References

www.cisa.gov/uscert/ics/advisories/icsa-22-349-01 (US Government Resource, Patch, Third Party Advisory)
www.prosysopc.com/blog/ (Vendor Advisory)

Frequently asked questions

What is CVE-2022-2967?: CVE-2022-2967 is a medium-severity vulnerability in Prosys Opc Ua Modbus Server, classified under Insufficiently Protected Credentials. CVSS score: 6.5/10. Published 2023-01-03.
How severe is CVE-2022-2967?: Medium severity. CVSS v3 base score is 6.5 out of 10.