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 b...

Security readout for executives and security teams

Older TYPO3 installations can let a logged-in backend user turn a crafted uploaded filename into server command execution when DAM or FTP upload is enabled. This is a serious legacy exposure, but the provided sources do not show active exploitation or a CVSS score. Exposure is likely limited to legacy TYPO3 sites with backend access enabled and either the DAM extension or FTP upload feature active. Authenticated backend accounts are required according to the CVE description. Prioritize remediation if any internet-reachable legacy TYPO3 backend remains in use. Command execution can threaten server integrity, but urgency depends on whether affected versions and upload features are present. Mitigation focus: Upgrade affected TYPO3 branches to fixed versions or later per vendor guidance.; Disable DAM extension or FTP upload if not operationally required.; Restrict TYPO3 backend access to trusted networks and users..

Prepared

Jun 28, 2026, 18:15 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.