CVE-2016-15003 FileZilla Client Installer uninstall.exe unquoted search path

Medium 6.3 Published 18 Jul 2022 Updated 15 Apr 2025

An attacker can execute arbitrary code with elevated privileges by exploiting an unquoted search path in the FileZilla Client installer.

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-2016-15003?

CVE-2016-15003 is a medium-severity vulnerability in FileZilla Client, published on 18 Jul 2022. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

A vulnerability has been found in FileZilla Client 3.17.0.0 and classified as problematic. This vulnerability affects unknown code of the file C:\Program Files\FileZilla FTP Client\uninstall.exe of the component Installer. The manipulation leads to unquoted search path. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used.

Weakness: CWE-428

Which versions are affected by CVE-2016-15003?

It affects 1 product.

Products include Filezilla-Project Filezilla Client.

How do I fix CVE-2016-15003?

No fix has been published for CVE-2016-15003 yet. Limit exposure of the affected software until one is available.

Is CVE-2016-15003 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2016-15003 exists.

Sources

Also known as GHSA-7j5p-c5cp-hrh6.