Bypass the client certificate trust check of an opc.https server while only secure communication is allowed
Priority MEDIUM 47CWE-295Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Spoofing
- Confidentiality · integrity · availability
- High · High · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-295.
Summary
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.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00256 17th percentileScored 2026-11-07
Fix Fixed OPC UA C++ SDK (Softing): 6.80.1edgeConnector (Softing): SDEX Suite V1.0+1 more product
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
- Fix · CNA OPC UA C++ SDK (Softing) Fixed in 6.80.1
- Fix · CNA edgeConnector (Softing) Fixed in SDEX Suite V1.0
- Fix · CNA edgeAggregator (Softing) Fixed in SDEX Suite V1.0
Timeline
- 2026-10-02 Threatist record created from CVE-2025-7390
- 2026-10-03 Alias added: GHSA-6g5p-c2f9-9435
References
More Softing vulnerabilities
- TI-2023-19550 Path traversal in Softing edgeAggregator CVSS 3.1HIGH 7.2
- TI-2022-02157 Softing Secure Integration Server Improper Authentication CVSS 3.1CRITICAL 9.8
- TI-2022-02155 Softing Secure Integration Server Uncontrolled Search Path Element CVSS 3.1HIGH 7.2
- TI-2022-01254 Softing Secure Integration Server Relative Path Traversal CVSS 3.1HIGH 7.2
- TI-2020-11375 Heap-based buffer overflow in Softing Industrial Automation all versions prior to the… CVSS 3.1CRITICAL 9.8
- TI-2023-12070 Cross-site scripting in Softing edgeAggregator CVSS 3.1CRITICAL 9.6
Sources
- CVE-2025-7390 · CVE Program
- CVE-2025-7390 · NVD
- FIRST EPSS
- GHSA-6g5p-c2f9-9435 · GitHub Advisory Database · CC BY 4.0
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