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Windows Server 2022 Windows Remote Management (WinRM) client must not use Basic authentication.


Overview

Finding ID Version Rule ID IA Controls Severity
V-254378 WN22-CC-000470 SV-254378r958510_rule 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 2022 Security Technical Implementation Guide 2024-06-14

Details

Check Text ( C-57863r848948_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-57814r848949_fix)
Configure the policy value for Computer Configuration >> Administrative Templates >> Windows Components >> Windows Remote Management (WinRM) >> WinRM Client >> Allow Basic authentication to "Disabled".