In short, CSV Connector is bound by what security protocols that limit us to some extent, but also protect you from malicious software on the web where Flash is prevalent. Protocols like local flash player security and crossdomain.xml are crucial to this security, though it does hamper what would seem like basic functionality for a flash application. This is one reason adobe created AIR, which serves as a trusted container installed on your computer as opposed to a browser plugin. Unfortunately AIR progresses much faster than SAP Dashboards so there is major incompatibility.
More details about configuring your Flash Player security settings are here: