Microsoft Windows Server 2003, when time restrictions are in effect for user accounts, generates different error messages for failed login attempts with a valid user name than for those with an invalid user name, which allows context-dependent attackers to determine valid Active Directory account names.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Windows_2003_server | Microsoft | gold (including) | gold (including) |
| Windows_2003_server | Microsoft | sp1 (including) | sp1 (including) |
| Windows_2003_server | Microsoft | sp2 (including) | sp2 (including) |