The Windows Remote Management (WinRM) service must not allow unencrypted traffic.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
| V-253419 | WN11-CC-000350 | SV-253419r958850_rule | CCI-003123 | medium |
| Description | ||||
| Unencrypted remote access to a system can allow sensitive information to be compromised. Windows remote management connections must be encrypted to prevent this. | ||||
| STIG | Date | |||
| Microsoft Windows 11 Security Technical Implementation Guide | 2025-05-15 | |||
Details
Check Text (C-253419r958850_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\Service\
Value Name: AllowUnencryptedTraffic
Value Type: REG_DWORD
Value: 0
Fix Text (F-56822r829340_fix)
Configure the policy value for Computer Configuration >> Administrative Templates >> Windows Components >> Windows Remote Management (WinRM) >> WinRM Service >> "Allow unencrypted traffic" to "Disabled".