SQL Injection vulnerability in AST Agent Time Sheet interface ((/vicidial/AST_agent_time_sheet.php) of VICIdial via the agent parameter allows attacker to spoof identity, tamper with existing data, allow the complete disclosure of all data on the system, destroy the data or make it otherwise unavailable, and become administrators of the database server. This issue affects: VICIdial 2.14b0.5 versions prior to 3555.