The FTP backend for Duplicity before 0.4.9 sends the password as a command line argument when calling ncftp, which might allow local users to read the password by listing the process and its arguments.
CVSS 2.0MEDIUM 4.6·Local·No auth·Interaction —·EPSS 0.00374·Published 2007-10-04·Fixed in 0.4.9CWE-200