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Windows Server 2022 insecure logons to an SMB server must be disabled.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| V-254339 | WN22-CC-000070 | SV-254339r848833_rule | Medium |
| Description |
|---|
| Insecure guest logons allow unauthenticated access to shared folders. Shared resources on a system must require authentication to establish proper access. |
| STIG | Date |
|---|---|
| Microsoft Windows Server 2022 Security Technical Implementation Guide | 2023-05-03 |
Details
| Check Text ( C-57824r848831_chk ) |
|---|
| If the following registry value does not exist or is not configured as specified, this is a finding: Registry Hive: HKEY_LOCAL_MACHINE Registry Path: \SOFTWARE\Policies\Microsoft\Windows\LanmanWorkstation\ Value Name: AllowInsecureGuestAuth Type: REG_DWORD Value: 0x00000000 (0) |
| Fix Text (F-57775r848832_fix) |
|---|
| Configure the policy value for Computer Configuration >> Administrative Templates >> Network >> Lanman Workstation >> Enable insecure guest logons to "Disabled". |