CVE-2020-3368 – Cisco Email Security Appliance URL Filtering Bypass Vulnerability

https://notcve.org/view.php?id=CVE-2020-3368

18 Jun 2020 — 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 the URL in a particular way. A successful exploit could allow the attacker to bypass the URL reputation filters that are configured for the affected device, wh... • https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-esa-url-bypass-WO4BZ75s • CWE-20: Improper Input Validation •