CVE-2025-3424 3.2.1 Arbitrary File Read in insecure .NET Remoting TCP Channel

High 7.7 Published Updated

An unauthenticated attacker can read internal files via .NET Remoting on port 755 in Philips IntelliSpace Portal.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Local or same network only
Victim action needed
Not needed
Fix
None listed

What is CVE-2025-3424?

CVE-2025-3424 is a high-severity path traversal vulnerability in Philips IntelliSpace Portal, published on 7 Apr 2025. It can only be exploited from the same machine or local network, with no action from the victim.

Official 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.

Weakness: CWE-22

Which versions are affected by CVE-2025-3424?

How do I fix CVE-2025-3424?

No fix has been published for CVE-2025-3424 yet. Limit exposure of the affected software until one is available.

Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.

Is CVE-2025-3424 being exploited?

There is no known exploitation of CVE-2025-3424 in the wild and no public exploit code.

Sources

Also known as GHSA-hg9x-8q33-pg7f.

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