Windows Server 2019 Windows Remote Management (WinRM) client must not use Basic authentication.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
| V-205711 | WN19-CC-000470 | SV-205711r958510_rule | CCI-000877 | high |
| Description | ||||
| Basic authentication uses plain-text passwords that could be used to compromise a system. Disabling Basic authentication will reduce this potential. | ||||
| STIG | Date | |||
| Microsoft Windows Server 2019 Security Technical Implementation Guide | 2025-05-23 | |||
Details
Check Text (C-205711r958510_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\WinRM\Client\
Value Name: AllowBasic
Type: REG_DWORD
Value: 0x00000000 (0)
Fix Text (F-5976r355052_fix)
Configure the policy value for Computer Configuration >> Administrative Templates >> Windows Components >> Windows Remote Management (WinRM) >> WinRM Client >> "Allow Basic authentication" to "Disabled".