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Check: WN19-CC-000500

Microsoft Windows Server 2019 STIG: WN19-CC-000500 (in versions v2 r9 through v1 r1)

Title

Windows Server 2019 Windows Remote Management (WinRM) service must not use Basic authentication. (Cat I impact)

Discussion

Basic authentication uses plain-text passwords that could be used to compromise a system. Disabling Basic authentication will reduce this potential.

Check Content

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\Service\ Value Name: AllowBasic Type: REG_DWORD Value: 0x00000000 (0)

Fix Text

Configure the policy value for Computer Configuration >> Administrative Templates >> Windows Components >> Windows Remote Management (WinRM) >> WinRM Service >> "Allow Basic authentication" to "Disabled".

Additional Identifiers

Rule ID: SV-205713r877395_rule

Vulnerability ID: V-205713

Group Title: SRG-OS-000125-GPOS-00065

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CCIs

CCIs tied to check.

Number	Definition
CCI-000877	The organization employs strong authenticators in the establishment of nonlocal maintenance and diagnostic sessions.

Controls

Controls tied to check. These are derived from the CCIs shown above.

Number	Title
MA-4	Nonlocal Maintenance