CVE-2015-4184

Cisco Email Security Appliance (ESA) AsyncOS contains an anti-spam scanner vulnerability caused by improper handling of a crafted DNS SPF TXT record, allowing unauthenticated remote bypass of anti-spam restrictions. Affected ESA versions include 3.3.1-09, 7.5.1-gpl-022, and 8.5.6-074. Exploitatio...