The 2wcom IP-4c 2.15.5 device suffers from a Broken Access Control vulnerability. Certain sensitive endpoints are intended to be accessible only after the admin explicitly grants access to a manager-level account. However, a manager-level user can bypass these controls by intercepting and modifying requests.
The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor.
Access control involves the use of several protection mechanisms such as:
When any mechanism is not applied or otherwise fails, attackers can compromise the security of the product by gaining privileges, reading sensitive information, executing commands, evading detection, etc. There are two distinct behaviors that can introduce access control weaknesses: