This indicates an attack attempt to exploit a Path Traversal vulnerability in Cisco Data Center Network Manager software.
The vulnerability is due to insufficient sanitizing of user supplied inputs in the application. A remote attacker can exploit this to gain unauthorized access to sensitive information.
Cisco Data Center Network Manager (DCNM) software releases prior to 11.0(1).
Information Disclosure: Remote attackers can gain sensitive information from vulnerable systems.
Refer to the vendor's advisory for updates: