TYPO3 Improper Control of Generation of Code (Code Injection) Vulnerability - CVE-2009-3631
The Backend subcomponent in TYPO3 4.0.13 and earlier 4.1.x before 4.1.13 4.2.x before 4.2.10 and 4.3.x before 4.3beta2 when the DAM extension or ftp upload is enabled allows remote authenticated users to execute arbitrary commands via shell metacharacters in a filename.