The screensaver on Windows NT 4.0, 2000, XP, and 2002 does not verify if a domain account has already been locked when a valid password is provided, which makes it easier for users with physical access to conduct brute force password guessing.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Windows_2000 | Microsoft | * | * |
| Windows_nt | Microsoft | 4.0 (including) | 4.0 (including) |
| Windows_nt | Microsoft | 4.0-sp1 (including) | 4.0-sp1 (including) |
| Windows_nt | Microsoft | 4.0-sp2 (including) | 4.0-sp2 (including) |
| Windows_nt | Microsoft | 4.0-sp3 (including) | 4.0-sp3 (including) |
| Windows_nt | Microsoft | 4.0-sp4 (including) | 4.0-sp4 (including) |
| Windows_nt | Microsoft | 4.0-sp5 (including) | 4.0-sp5 (including) |
| Windows_nt | Microsoft | 4.0-sp6a (including) | 4.0-sp6a (including) |
| Windows_xp | Microsoft | * | * |