This indicates an attack attempt to exploit a Remote Command Injection vulnerability in EMC AutoStart.
The vulnerability is due to insufficient sanitizing of user supplied inputs in the application when handling crafted HTTP requests. A remote attacker can exploit this to execute arbitrary commands in the affected machine via a crafted HTTP request.
EMC AutoStart prior to 188.8.131.528 (HF4)
System Compromise: Remote attackers can gain control of vulnerable systems.
Apply the most recent upgrade or patch from the vendor.