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V-220863

CAT II (Medium)

The Windows Remote Management (WinRM) client must not allow unencrypted traffic.

Rule ID

SV-220863r877382_rule

STIG

Microsoft Windows 10 Security Technical Implementation Guide

Version

V2R9

CCIs

CCI-002890 CCI-003123

Discussion

Unencrypted remote access to a system can allow sensitive information to be compromised. Windows remote management connections must be encrypted to prevent this.

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\Client\

Value Name: AllowUnencryptedTraffic

Value Type: REG_DWORD
Value: 0

Fix Text

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