The Windows Remote Management (WinRM) service must not store RunAs credentials.

From Windows Server 2012/2012 R2 Member Server Security Technical Implementation Guide

Associated with IA controls: ECLP-1

Associated with: CCI-002038

SV-51757r1_rule The Windows Remote Management (WinRM) service must not store RunAs credentials.

Vulnerability discussion

Storage of administrative credentials could allow unauthorized access. Disallowing the storage of RunAs credentials for Windows Remote Management will prevent them from being used with plug-ins.

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\Service\ Value Name: DisableRunAs Type: REG_DWORD Value: 1

Fix text

Configure the policy value for Computer Configuration -> Administrative Templates -> Windows Components -> Windows Remote Management (WinRM) -> WinRM Service -> "Disallow WinRM from storing RunAs credentials" to "Enabled".

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