How severe is CVE-2022-33916?

High severity. CVSS v3 base score is 7.5 out of 10.

Vulnerability in Opcfoundation Ua .Net Standard Stack

CVE-2022-33916

OPC UA .NET Standard Reference Server 1.04.368 allows a remote attacker to cause the application to access sensitive information.

Published 2022-08-23 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.013 (69.4th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 69th percentile — 69.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.013 · newest: 0.013 · change: 0.000

Affected products

Opcfoundation Ua .Net Standard Stack — versions 1.04.368

References

opcfoundation.org (Vendor Advisory)
files.opcfoundation.org/SecurityBulletins/OPC Foundation Security Bulletin CVE-… (Patch, Vendor Advisory)

Frequently asked questions

What is CVE-2022-33916?: CVE-2022-33916 is a high-severity vulnerability in Opcfoundation Ua .Net Standard Stack. CVSS score: 7.5/10. Published 2022-08-23.
How severe is CVE-2022-33916?: High severity. CVSS v3 base score is 7.5 out of 10.