Author: Melodie Foster
Date: 26th January 2021
The vulnerability in the Cisco Digital Network Architecture (DNA) Centre was found to be a cross-site request forgery bug that could leave a company vulnerable to a remote attack and takeover.
Cisco DNA is used to align campus, branch, WAN and remote-worker elements of enterprise networks. The DNA Centre allows administrators to configure all network devices and uses artificial intelligence and machine learning to monitor and troubleshoot networks. Since the DNA Centre allows for total visibility into an organisation’s network, the bug was given a CVSS score of 7.1 out of 10, meaning it is of high severity.
Cisco posted an advisory which stated that the bug could allow for an unauthenticated, remote attacker to “conduct an attack to manipulate an authenticated user into executing malicious actions without their awareness or consent.”
The vulnerability could be exploited by a phishing email, whereby if a user were to click on the link then the attacker would be able to use the privileges of the authenticated user to perform arbitrary actions on the device.
Vulnerable versions of Cisco DNA Centre include versions before 188.8.131.52 and a patch was released yesterday to fix the issue. 
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