Microsoft Site Server and Commercial Internet System (MCIS) do not set an expiration for a cookie, which could then be cached by a proxy and inadvertently used by a different user.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Commercial_internet_system | Microsoft | 2.0 | 2.0 |
| Commercial_internet_system | Microsoft | 2.5 | 2.5 |
| Site_server | Microsoft | 3.0 | 3.0 |
| Site_server_commerce | Microsoft | 3.0 | 3.0 |