Vulnerability · Published Aug 21, 2025 · Assigned by Softing
CVE-2025-7390Bypass the client certificate trust check of an opc.https server while only secure communication is allowed
Critical 9.1
In plain English
A critical-severity improper certificate validation in edgeAggregator from Softing. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 17% of all known vulnerabilities).
Severity (CVSS 3.1)9.1Critical
Exploit odds (30 days)0.3%top 82.7% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official 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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Softing | OPC UA C++ SDK | 6.40 – through 6.80 |
| Softing | edgeConnector | 0 – through 2025.03 |
| Softing | edgeAggregator | 0 – through 2025.03 |
Weakness: CWE-295 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N