Preface: Cisco SD-WAN key advantage keen to reducing costs with transport independence across MPLS, 3G/4G LTE, etc. Meanwhile it improving business application performance and increasing agility.

Technical background:
The vSmart controller is the brains of the centralized control plane for the Viptela system network architecture. The vSmart controller runs as a virtual machine (VM) on a network server. It can also run as a container within a vContainer host.

Vulnerability found announced on today (23rd Jan 2019)
A vulnerability in the vContainer of the Cisco SD-WAN Solution could allow an authenticated, remote attacker to cause a denial of service (DoS) condition and execute arbitrary code as the root user. The details are as follows: https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190123-sdwan-bo