Hummingbird Collaboration (aka Hummingbird Enterprise Collaboration) 5.21 and earlier allows remote attackers to obtain sensitive information (intranet IP addresses and enumerations of valid parameter values) via a direct request to hc, which reveals the information in an error message or a cookie.
| Software | From | Fixed in |
|---|---|---|
| hummingbird / enterprise_collaboration | 5.2 | 5.2.x |
| hummingbird / collaboration | - | 5.21.x |
| hummingbird / collaboration | 5.2 | 5.2.x |
| hummingbird / enterprise_collaboration | - | 5.21.x |