The default configuration of Cisco Secure Desktop (CSD) has an unchecked "Disable printing" box in Secure Desktop Settings, which might allow local users to read data that was sent to a printer during another user's SSL VPN session.
http://www.securityfocus.com/bid/20410
http://www.cisco.com/en/US/products/products_security_advisory09186a0080754f34.shtml