cisco-sa-20170315-wsa

Cisco Web Security Appliance URL Filtering Bypass Vulnerability

Medium · Updated · Cisco

1 product with CSAF evidence

A vulnerability in the URL filtering feature of Cisco AsyncOS Software for Cisco Web Security Appliance (WSA) could allow an unauthenticated, remote attacker to bypass a configured URL filter rule. The vulnerability is due to incomplete validation of the HTTP request. An attacker could exploit this vulnerability by sending a crafted HTTP request through the targeted device. An exploit could allow the attacker to bypass a configured URL filter. There are no workarounds that address this vulnerability.