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.
https://opcfoundation-onlineapplications.org/faq/SecurityBulletins/OPC_Foundation_Security_Bulletin_CVE-2018-12087.pdf
Source: Mitre, NVD
Published: 2018-10-03
Updated: 2026-06-17
Base Score: 2.1
Vector: CVSS2#AV:L/AC:L/Au:N/C:P/I:N/A:N
Severity: Low
Base Score: 5.3
Vector: CVSS:3.0/AV:P/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N
Severity: Medium
EPSS: 0.00033