CVE-2025-7390

Bypass the client certificate trust check of an opc.https server while only secure communication is allowed

Published Aug 21, 2025 CVSS 3.1 · 9.1 Critical EPSS < 1% KEV · Not listed
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.

Remediation

Vendor Solution

OPC UA C++ SDK V6.80.1 Service-Patch

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2025-25419 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.
History
Type Values Removed Values Added
First Time appeared Softing opc Ua C Sdk
CPEs cpe:2.3:a:softing:edgeaggregator:*:*:linux:*:*:*:*:*
cpe:2.3:a:softing:edgeaggregator:sdex_suite_v1.0:*:linux:*:*:*:*:*
cpe:2.3:a:softing:edgeconnector:*:*:linux:*:*:*:*:*
cpe:2.3:a:softing:edgeconnector:sdex_suite_v1.0:*:linux:*:*:*:*:*
cpe:2.3:a:softing:opc_ua_c_sdk:*:*:linux:*:*:*:*:*
cpe:2.3:a:softing:opc_ua_c_sdk:*:*:vxworks:*:*:*:*:*
cpe:2.3:a:softing:opc_ua_c_sdk:*:*:windows:*:*:*:*:*
cpe:2.3:a:softing:opc_ua_c_sdk:6.80.1:*:linux:*:*:*:*:*
cpe:2.3:a:softing:opc_ua_c_sdk:6.80.1:*:vxworks:*:*:*:*:*
cpe:2.3:a:softing:opc_ua_c_sdk:6.80.1:*:windows:*:*:*:*:*
Vendors & Products Softing opc Ua C Sdk
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Softing
Softing edgeaggregator
Softing edgeconnector
Softing opc
Vendors & Products Softing
Softing edgeaggregator
Softing edgeconnector
Softing opc
Type Values Removed Values Added
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.
Title Bypass the client certificate trust check of an opc.https server while only secure communication is allowed
Weaknesses CWE-295
References
Metrics cvssV3_1

{'score': 9.1, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
Softing
Published
Updated
Mar 27, 2026, 8:36 AM
Reserved
Jul 9, 2025, 1:09 PM
Status
Deferred
Published
Aug 21, 2025, 6:15 AM
Modified
Jun 17, 2026, 10:04 AM