Cisco MediaSense Open Redirection Vulnerability

A vulnerability in a specific URL parameter of Cisco MediaSense could allow an unauthenticated, remote attacker to perform site redirection. The vulnerability is due to insufficient input validation. An attacker could exploit this vulnerability by including a desired remote site URL in the affected parameter of the Cisco MediaSense URL. An exploit could allow the attacker to redirect a user to a malicious website. Cisco has confirmed the vulnerability in a security notice; however, software updates are not available. To exploit the vulnerability, the attacker may provide a link that directs a user to a malicious site and use misleading language or instructions to persuade the user to follow the provided link. Cisco indicates through the CVSS score that functional exploit code exists; however, the code is not known to be publicly available.

Administrators are advised to contact the vendor regarding future updates and releases.

Users are advised not to visit websites or follow links that have suspicious characteristics or cannot be verified as safe.

Administrators are advised to allow only trusted users to have network access.

Administrators are advised to monitor affected systems.