CVE-2009-0349: Ftpshell Server

High severity, CVSS 9.3. EPSS: 5.9% chance of exploitation in the next 30 days.

Stack-based buffer overflow in FTPShell Server 4.3 allows user-assisted remote attackers to cause a denial of service (persistent daemon crash) and possibly execute arbitrary code via a long string in a licensing key (aka .key) file.

Affected products

• Ftpshell Ftpshell Server: version 4.3 only

Published 2009-01-29. Last modified 2026-06-16.