This indicates an attack attempt to exploit a Directory Traversal Vulnerability in Dell Storage Manager.
The vulnerability is due to an error in the vulnerable application when handling a maliciously crafted request. A remote attacker can exploit this to disclose arbitrary file on the targeted server, via a crafted request.
Dell Storage Manager prior to 16.3.20
Information Disclosure: Remote attackers can gain sensitive information from vulnerable systems.
Apply the most recent upgrade or patch from the vendor: