CVE-2025-4660 Remote Code Execution in Windows Secure Connector/ HPS Inspection Engine via Insecure Named Pipe Access

High 8.7 Published Updated

Remote attackers can execute code by connecting to an insecure named pipe accessible to everyone, allowing redirection to a rogue server.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2025-4660?

CVE-2025-4660 is a high-severity missing authorization vulnerability in Forescout SecureConnector, published on 13 May 2025. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

A remote code execution vulnerability exists in the Windows agent component of SecureConnector due to improper access controls on a named pipe. The pipe is accessible to the Everyone group and does not restrict remote connections, allowing any network-based attacker to connect without authentication. By interacting with this pipe, an attacker can redirect the agent to communicate with a rogue server that can issue commands via the SecureConnector Agent. 

This does not impact Linux or OSX Secure Connector.

Weakness: CWE-276

Which versions are affected by CVE-2025-4660?

It affects 1 product.

Products include Forescout Secureconnector.

How do I fix CVE-2025-4660?

No fix has been published for CVE-2025-4660 yet. Limit exposure of the affected software until one is available.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2025-4660 being exploited?

There is no known exploitation of CVE-2025-4660 in the wild and no public exploit code.

Public exploit code: 1 proofs of concept on GitHub.

Sources

Also known as GHSA-86pc-jx85-mvrw.

Is CVE-2025-4660 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free