CVE-2018-12087: Opcfoundation Ua-.net-Legacy

Medium severity, CVSS 5.3. EPSS: 0.3% chance of exploitation in the next 30 days.

Failure to validate certificates in OPC Foundation UA Client Applications communicating without security allows attackers with control over a piece of network infrastructure to decrypt passwords.

Affected products

Published 2018-10-03. Last modified 2026-06-17.