Windows Server 2019 Windows Remote Management (WinRM) client must not use Basic authentication.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-93503	WN19-CC-000470	SV-103589r1_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
Windows Server 2019 Security Technical Implementation Guide	2020-06-15

Details

Check Text ( C-92819r1_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-99747r1_fix)
Configure the policy value for Computer Configuration >> Administrative Templates >> Windows Components >> Windows Remote Management (WinRM) >> WinRM Client >> "Allow Basic authentication" to "Disabled".