PT-2025-34191 · Unknown · Opc.Https Server

Published 2025-08-21 · Updated 2025-08-26 · CVE-2025-7390

Positive Technologies (AI Summary)

CVSS v3.1

9.1

Critical

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Name of the Vulnerable Software and Affected Versions: opc.https server (affected versions not specified)

Description: A malicious client can bypass the client certificate trust check of an opc.https server when the server endpoint is configured to allow only secure communication.

Recommendations: At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Improper Certificate Validation

Weakness Enumeration

CWE-295

Related Identifiers

CVE-2025-7390

Affected Products

Opc.Https Server

References · 9

• https://nvd.nist.gov/vuln/detail/CVE-2025-7390 · Security Note
• https://t.me/CVEtracker/30563 · Telegram Post
• https://twitter.com/offseq/status/1958431523415212323 · Twitter Post
• https://industrial.softing.com/fileadmin/psirt/downloads/2025/CVE-2025-7390.html · Note
• https://twitter.com/cracbot/status/1960296216371098092 · Twitter Post
• https://industrial.softing.com/fileadmin/psirt/downloads/2025/CVE-2025-7390.json · Note
• https://twitter.com/BaseFortify/status/1958442295646200166 · Twitter Post
• https://t.me/cveNotify/132983 · Telegram Post
• https://twitter.com/CVEnew/status/1958424602402603242 · Twitter Post