Windows Server 2019 must not save passwords in the Remote Desktop Client.

STIG ID: WN19-CC-000340 |  SRG: SRG-OS-000373-GPOS-00157 |  Severity: medium |  CCI:  | Vulnerability Id: V-205808

Vulnerability Discussion

Saving passwords in the Remote Desktop Client could allow an unauthorized user to establish a remote desktop session to another system. The system must be configured to prevent users from saving passwords in the Remote Desktop Client.

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

Check

Configure the policy value for Computer Configuration >> Administrative Templates >> Windows Components >> Remote Desktop Services >> Remote Desktop Connection Client >> "Do not allow passwords to be saved" to "Enabled".

Fix

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 NT\Terminal Services\

Value Name: DisablePasswordSaving

Type: REG_DWORD
Value: 0x00000001 (1)