Microsoft Windows Server 2019
Windows Server 2019 administrator accounts must not be enumerated during elevation
STIG ID:
WN19-CC-000240
|
SRG:
SRG-OS-000134-GPOS-00068
|
Severity:
Medium
|
CCI:
CCI-001084
|
Vulnerability ID:
V-205714
Description
Enumeration of administrator accounts when elevating can provide part of the logon information to an unauthorized user. This setting configures the system to always require users to type in a username and password to elevate a running application.
Check
C-5979r355060_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\Microsoft\Windows\CurrentVersion\Policies\CredUI\
Value Name: EnumerateAdministrators
Type: REG_DWORD
Value: 0x00000000 (0)
Fix
F-5979r355061_fix
Configure the policy value for Computer Configuration >> Administrative Templates >> Windows Components >> Credential User Interface >> "Enumerate administrator accounts on elevation" to "Disabled".