CVE-2010-20045 FileWrangler <= 5.30 Stack Buffer Overflow
A stack buffer overflow in FileWrangler allows remote code execution when connecting to a malicious FTP server.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2010-20045?
CVE-2010-20045 is a high-severity memory corruption vulnerability in CursorArts FileWrangler, published on 20 Aug 2025. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
FileWrangler <= 5.30 suffers from a stack-based buffer overflow vulnerability when parsing directory listings from an FTP server. A malicious server can send an overlong folder name in response to a LIST command, triggering memory corruption during client-side rendering. Exploitation requires passive user interaction—simply connecting to the server—without further input. Successful exploitation may lead to arbitrary code execution.
Weakness: CWE-121
Which versions are affected by CVE-2010-20045?
How do I fix CVE-2010-20045?
No fix has been published for CVE-2010-20045 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2010-20045 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2010-20045 exists.
Public exploit code: 1 Metasploit module.
Sources
Also known as GHSA-8q3q-27hf-3cwh.