How severe is CVE-2025-7390?

CVE-2025-7390 has a CVSS 3.x base score of 9.1, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.

Is CVE-2025-7390 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (15th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2025-7390?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

Does CVE-2025-7390 have an EU (EUVD) identifier?

Yes. CVE-2025-7390 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-25419.

When was CVE-2025-7390 published?

CVE-2025-7390 was published on 2025-08-21 and last updated on 2026-06-17.

CVE-2025-7390

CVE-2025-7390 is a critical-severity vulnerability with a CVSS 3.x base score of 9.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-295.

Key facts

Severity: Critical (CVSS 3.x base score 9.1)
EPSS exploit prediction: 0% (15th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-25419
Weakness: CWE-295
Published: 2025-08-21
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2025-7390?: 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.
How severe is CVE-2025-7390?: CVE-2025-7390 has a CVSS 3.x base score of 9.1, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.
Is CVE-2025-7390 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (15th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2025-7390?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
Does CVE-2025-7390 have an EU (EUVD) identifier?: Yes. CVE-2025-7390 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-25419.
When was CVE-2025-7390 published?: CVE-2025-7390 was published on 2025-08-21 and last updated on 2026-06-17.

References

Other CWE-295 (Improper Certificate Validation) vulnerabilities

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