Description
Cisco VPN 3000 Concentrator 2.2.x, and 3.x before 3.5.3, adds an "HTTPS on Public Inbound (XML-Auto)(forward/in)" rule but sets the protocol to "ANY" when the XML filter configuration is enabled, which ultimately allows arbitrary traffic to pass through the concentrator.
References
- 20020903 Cisco VPN 3000 Concentrator Multiple Vulnerabilities vendor-advisory
- 5614 vdb-entry
- cisco-vpn-xml-filter(10023) vdb-entry