The Catalyst 9300 Series is the next generation of the industry’s most widely deployed stackable switching platform. Built for security, IoT, and the cloud, these network switches form the foundation for Cisco’s Software-Defined Access, the leading enterprise architecture. May 06, 2020 · Tried using your example against a few switch types, 3850 and 9300, and it didn’t work. I traced the issue to the fact DNA doesn’t have any MediaType attributes set on the interfaces, all come back as null when using Postman. A security vulnerability identified in Cisco ASA that would allow an attacker to view sensitive system information without authentication by using directory traversal techniques. Vulnerable Products. This vulnerability affects Cisco ASA Software and Cisco Firepower Threat Defense (FTD) Software that is running on the following Cisco products: