Cisco Web Security appliance was found to be prone to remote denial of service vulnerability .This vulnerability could be exploited to cause unexpected restart of proxy process. This in-turn would deny service to legitimate users.The vulnerabilities were found in Cisco Web Security Appliance 11.7.0-FCS-334,Cisco Web Security Appliance 10.5.2-072,Cisco Cisco Web Security Appliance 10.5.3-025,Cisco AsyncOS Software 11.5,Cisco AsyncOS Software 10.5
Cisco AsyncOS Software 10.1,Cisco AsyncOS Software 10.0 .