Microsoft Windows 11

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

STIG ID: WN11-CC-000355 | SRG: SRG-OS-000373-GPOS-00156 | Severity: Medium | CCI: CCI-002038 | Vulnerability ID: V-253420

Description

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

C-56873r829342_chk

If the following registry value does not exist or is not configured as specified, this is a finding:Registry Hive: HKEY_LOCAL_MACHINERegistry Path: \SOFTWARE\Policies\Microsoft\Windows\WinRM\Service\Value Name: DisableRunAsValue Type: REG_DWORDValue: 1

Fix

F-56823r829343_fix

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".