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Windows Server 2019 Windows Remote Management (WinRM) service must not store RunAs credentials.


Overview

Finding ID Version Rule ID IA Controls Severity
V-205810 WN19-CC-000520 SV-205810r569188_rule Medium
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. Satisfies: SRG-OS-000373-GPOS-00157, SRG-OS-000373-GPOS-00156
STIG Date
Microsoft Windows Server 2019 Security Technical Implementation Guide 2021-08-18

Details

Check Text ( C-6075r355792_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\Service\

Value Name: DisableRunAs

Type: REG_DWORD
Value: 0x00000001 (1)
Fix Text (F-6075r355793_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".