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

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

- **Severity:** High 7.7 (`CVSS:4.0/AV:A/AC:H/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/S:P/AU:Y/R:U/V:C/RE:M/U:Green`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Local or same network only
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 7 Apr 2025
- **Updated:** 10 Apr 2025
- **Also known as:** GHSA-hg9x-8q33-pg7f

## 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 (Improper Limitation of a Pathname to a Restricted Directory)

## 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.

## Is CVE-2025-3424 being exploited?

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

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2025-3424 and fix it if it is affected.

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

Affected product: Philips IntelliSpace Portal. No package-level version data is available, so check the vendor advisory linked from the reference page.

Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.

Reference: https://insights.sbomify.com/CVE-2025-3424/ (Markdown: https://insights.sbomify.com/CVE-2025-3424/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2025-3424
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2025-3424
- OSV: https://osv.dev/vulnerability/CVE-2025-3424

---
From sbomify Insights: https://insights.sbomify.com/CVE-2025-3424/
Summaries are generated and may contain mistakes; the official description above is the record.