Windows Server 2022 Windows Remote Management (WinRM) service must not store RunAs credentials.

Documentable No

Rule ID SV-254383r1051100_rule

CCI References

CCI-002038

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. Satisfies: SRG-OS-000373-GPOS-00156, SRG-OS-000373-GPOS-00157

Check Procedure

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 Action

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".