Windows Server 2019 Windows Remote Management (WinRM) service must not allow unencrypted traffic.
Severity | Group ID | Group Title | Version | Rule ID | Date | STIG Version |
|---|---|---|---|---|---|---|
| medium | V-205817 | SRG-OS-000393-GPOS-00173 | WN19-CC-000510 | SV-205817r958848_rule | 2025-02-25 | 3 |
| Description |
|---|
| 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 |
| ℹ️ Check |
|---|
| 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) |
| ✔️ Fix |
|---|
| Configure the policy value for Computer Configuration >> Administrative Templates >> Windows Components >> Windows Remote Management (WinRM) >> WinRM Service >> "Allow unencrypted traffic" to "Disabled". |