A vulnerability in the REST API of Cisco Elastic Services Controller (ESC) could allow an unauthenticated, remote attacker to bypass authentication. The vulnerability is due to improper validation of API requests. An attacker could exploit this vulnerability by sending a crafted request to the API. A successful exploit could allow the attacker to execute arbitrary actions with administrative privileges on an affected system. There are no workarounds that address this vulnerability. Cisco has released free software updates that address the vulnerability described in this advisory.”]