This indicates an attack attempt to exploit a Directory Traversal Vulnerability in Cisco Systems Data Center Network Manager.
The vulnerability is due to insufficient input validation when processing HTTP requests. A remote, authenticated attacker could exploit this vulnerability by sending crafted HTTP requests to the target server. Successful exploitation could result in the disclosure of the contents of arbitrary files on the target server.
Cisco Systems Data Center Network Manager prior to 11.3(1)
Information Disclosure: Remote attackers can gain sensitive information from vulnerable systems.
Apply the most recent upgrade or patch from the vendor.