CVE-2025-3424

CVE-2025-3424 is a high-severity vulnerability with a CVSS 4.0 base score of 7.7. 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-22.

Key facts

Description

The IntelliSpace portal application utilizes .NET Remoting for its functionality. The vulnerability arises from the exploitation of port 755 through the "Object Marshalling" technique, which allows an attacker to read internal files without any authentication. This is possible by crafting specific .NET Remoting URLs derived from information enumerated in the client-side configuration files. This issue affects IntelliSpace Portal: 12 and prior.

Frequently asked questions

What is CVE-2025-3424?
The IntelliSpace portal application utilizes .NET Remoting for its functionality. The vulnerability arises from the exploitation of port 755 through the "Object Marshalling" technique, which allows an attacker to read internal files without any authentication. This is possible by crafting specific .NET Remoting URLs derived from information enumerated in the client-side configuration files. This issue affects IntelliSpace Portal: 12 and prior.
How severe is CVE-2025-3424?
CVE-2025-3424 has a CVSS 4.0 base score of 7.7, rated high severity.
Is CVE-2025-3424 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (13th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2025-3424?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2025-3424 have an EU (EUVD) identifier?
Yes. CVE-2025-3424 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-10702.
When was CVE-2025-3424 published?
CVE-2025-3424 was published on 2025-04-07 and last updated on 2026-06-17.

References

Other CWE-22 (Path Traversal) vulnerabilities

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