CVE:CVE-2006-0174
CNNVD:CNNVD-200601-121
Hummingbird Collaboration(也称为Hummingbird Enterprise Collaboration)5.21及更早版本存在信息泄露漏洞，远程攻击者可以通过直接请求hc，从而导致在出错信息或cookie中揭示信息来获取敏感信息(内联网IP地址和有效参数枚举)。
solution:Upgrade hummingbird collaboration to a higher version than 5.21,5.2,and avoid the version (,5.21],5.2; Upgrade hummingbird enterprise_collaboration to a higher version than 5.21,5.2,and avoid the version (,5.21],5.2