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


Overview

Finding ID Version Rule ID IA Controls Severity
V-226216 WN12-CC-000123 SV-226216r794449_rule High
Description
Basic authentication uses plain text passwords that could be used to compromise a system.
STIG Date
Microsoft Windows Server 2012/2012 R2 Domain Controller Security Technical Implementation Guide 2022-03-01

Details

Check Text ( C-27918r475971_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: 0
Fix Text (F-27906r475972_fix)
Configure the policy value for Computer Configuration -> Administrative Templates -> Windows Components -> Windows Remote Management (WinRM) -> WinRM Client -> "Allow Basic authentication" to "Disabled".