This indicates an attack attempt against an Information Disclosure vulnerability in EMC Connectrix Manager Converged Network Edition.
The vulnerability is due to insufficient input validation when vulnerable servlet handles a crafted HTTP request. A remote attacker can exploit this to gain unauthorized access to sensitive information via a crafted HTTP request.
EMC Connectrix Manager Converged Network Edition 12.0.3 and prior
Information Disclosure: Remote attackers can gain sensitive information from vulnerable systems.
Apply the most recent upgrade or patch from the vendor.