CVE-2025-3425: The IntelliSpace portal application utilizes .NET Remoting for its functionality. The vulnerability arises from the exploitation of port 755 through t...

Description

The IntelliSpace portal application utilizes .NET Remoting for its functionality. The vulnerability arises from the exploitation of port 755 through the deserialization vulnerability. After analyzing the configuration files, we observed that the server had set the TypeFilterLevel to Full which is dangerous as it can potentially lead to remote code execution using deserialization. This issue affects IntelliSpace Portal: 12 and prior.

Metrics

CVSS 4.0

7.3/10

CVSS:4.0/AV:A/AC:H/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:P/AU:Y/R:U/V:C/RE:M/U:Green

EPSS Probability

0.30%

21.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-502

References

Timeline

Published: Apr 7, 2025
Last Modified: Jun 17, 2026
Status: Deferred

Frequently Asked Questions

What is CVE-2025-3425?

The IntelliSpace portal application utilizes .NET Remoting for its functionality. The vulnerability arises from the exploitation of port 755 through the deserialization vulnerability. After analyzing the configuration files, we observed that the server had set the TypeFilterLevel to Full which is dangerous as it can potentially lead to remote code execution using deserialization. This issue affects IntelliSpace Portal: 12 and prior.

How severe is CVE-2025-3425?

CVE-2025-3425 has a CVSS score of 7.3/10 (HIGH severity). The EPSS model estimates a 0.30% probability of exploitation in the next 30 days.

How do I fix CVE-2025-3425?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

How Strix Helps

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