The web framework in Cisco AsyncOS on Email Security Appliance (ESA), Content Security Management Appliance (SMA), and Web Security Appliance (WSA) devices allows remote attackers to trigger redirects via a crafted HTTP header, aka Bug IDs CSCur44412, CSCur44415, CSCur89630, CSCur89636, CSCur89633, and CSCur89639.
Improper Input Validation The product receives input or data, but it does
not validate or incorrectly validates that the input has the
properties that are required to process the data safely and
correctly.