Windows Server 2019 Windows Remote Management (WinRM) client must not use Digest authentication.

Overview

Finding IDVersionRule IDIA ControlsSeverity
V-205712WN19-CC-000490SV-205712r958510_ruleCCI-000877medium
Description
Digest authentication is not as strong as other options and may be subject to man-in-the-middle attacks. Disallowing Digest authentication will reduce this potential.
STIGDate
Microsoft Windows Server 2019 Security Technical Implementation Guide2025-05-23

Details

Check Text (C-205712r958510_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\Client\ Value Name: AllowDigest Type: REG_DWORD Value: 0x00000000 (0)

Fix Text (F-5977r355055_fix)

Configure the policy value for Computer Configuration >> Administrative Templates >> Windows Components >> Windows Remote Management (WinRM) >> WinRM Client >> "Disallow Digest authentication" to "Enabled".