Cisco Email Security Appliance (ESA) 8.5.6-106 and 9.6.0-042 allows remote authenticated users to cause a denial of service (file-descriptor consumption and device reload) via crafted HTTP requests, aka Bug ID CSCuw32211.

A vulnerability in the web-based management interface of Cisco Email Security Appliance (ESA) Switches could allow an unauthenticated, remote attacker to conduct a persistent cross-site scripting (XSS) attack against a user of the affected interface on an affected device. More Information: CSCvb37346. Known Affected Releases: 9.1.1-036 9.7.1-066.

The FTP service in Cisco AsyncOS on Email Security Appliance (ESA) devices 9.6.0-000 through 9.9.6-026, Web Security Appliance (WSA) devices 9.0.0-162 through 9.5.0-444, and Content Security Management Appliance (SMA) devices allows remote attackers to cause a denial of service via a flood of FTP traffic, aka Bug IDs CSCuz82907, CSCuz84330, and CSCuz86065.