A vulnerability in the web UI of Cisco Catalyst SD-WAN Manager could allow an authenticated, remote attacker to retrieve arbitrary files from an affected system. This vulnerability is due to improper validation of parameters that are sent to the web UI. An attacker could exploit this vulnerability by logging in to Cisco Catalyst SD-WAN Manager and issuing crafted requests using the web UI. A successful exploit could allow the attacker to obtain arbitrary files from the underlying Linux file system of an affected system. To exploit this vulnerability, the attacker must be an authenticated user.