Cisco Email Security Appliance URL Filtering Bypass Vulnerability
A vulnerability in the antispam protection mechanisms of Cisco AsyncOS Software for Cisco Email Security Appliance (ESA) could allow an unauthenticated, remote attacker to bypass the URL reputation filters on an affected device.
The vulnerability is due to insufficient input validation of URLs. An attacker could exploit this vulnerability by crafting … Read More here
Source:: Cisco Security Advisories