CVE-2018-15490 Path traversal in n/a

High 7.1 Published Updated

A path traversal vulnerability in the ExpressVPN Windows service allows attackers to read and write arbitrary files on the system.

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

What is CVE-2018-15490?

CVE-2018-15490 is a high-severity path traversal vulnerability in n/a, published on 2 Jan 2019. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

An issue was discovered in ExpressVPN on Windows. The Xvpnd.exe process (which runs as a service with SYSTEM privileges) listens on TCP port 2015, which is used as an RPC interface for communication with the client side of the ExpressVPN application. A JSON-RPC protocol over HTTP is used for communication. The JSON-RPC XVPN.GetPreference and XVPN.SetPreference methods are vulnerable to path traversal, and allow reading and writing files on the file system on behalf of the service.

Weakness: CWE-22

Which versions are affected by CVE-2018-15490?

It affects 1 product.

Products include Expressvpn Expressvpn.

How do I fix CVE-2018-15490?

No fix has been published for CVE-2018-15490 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-2018-15490 being exploited?

There is no known exploitation of CVE-2018-15490 in the wild and no public exploit code.

Sources

Also known as GHSA-f5mw-fw9m-vxmc.

Is CVE-2018-15490 in your software?

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

Check your SBOMs for free