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


Overview

Finding ID Version Rule ID IA Controls Severity
V-224960 WN16-CC-000520 SV-224960r569186_rule Medium
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.
STIG Date
Microsoft Windows Server 2016 Security Technical Implementation Guide 2021-09-29

Details

Check Text ( C-26651r465782_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-26639r465783_fix)
Configure the policy value for Computer Configuration >> Administrative Templates >> Windows Components >> Windows Remote Management (WinRM) >> WinRM Client >> "Disallow Digest authentication" to "Enabled".