Cisco SD-WAN vManage Software Improper Link Resolution Before File Access (‘Link Following’) Vulnerability


A vulnerability in the web-based management interface of Cisco SD-WAN vManage Software could allow an authenticated, remote attacker to read arbitrary files on the underlying filesystem of the device.


The information has been provided by Johnny Yu

The original article can be found at:


The vulnerability is due to insufficient file scope limiting. An attacker could exploit this vulnerability by creating a specific file reference on the filesystem and then accessing it through the web-based management interface. A successful exploit could allow the attacker to read arbitrary files from the filesystem of the underlying operating system.


Vulnerable Systems:

Cisco SD-WAN vManage Software


CVE Information:



Disclosure Timeline:
Published Date:7/16/2020

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