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WN22-CC-000510 Windows Server 2022 Windows Remote Management (WinRM) service must not allow unencrypted traffic.

DISA STIG library V2R11
All changes in this version
first version loaded CAT II

Maps to MA-4(6) via CCI-002890, CCI-003123

Title

Windows Server 2022 Windows Remote Management (WinRM) service must not allow unencrypted traffic.

Control

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: AllowUnencryptedTraffic Type: REG_DWORD Value: 0x00000000 (0)

Discussion

Unencrypted remote access to a system can allow sensitive information to be compromised. Windows remote management connections must be encrypted to prevent this. Satisfies: SRG-OS-000393-GPOS-00173, SRG-OS-000394-GPOS-00174

Related controls

CCI-002890, CCI-003123

Fix

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