Check: WN19-SO-000440
Microsoft Windows Server 2019 STIG:
WN19-SO-000440
(in versions v3 r2 through v1 r1)
Title
Windows Server 2019 User Account Control must run all administrators in Admin Approval Mode, enabling UAC. (Cat II impact)
Discussion
User Account Control (UAC) is a security mechanism for limiting the elevation of privileges, including administrative accounts, unless authorized. This setting enables UAC. Satisfies: SRG-OS-000373-GPOS-00157, SRG-OS-000373-GPOS-00156
Check Content
UAC requirements are NA for Server Core installations (this is the default installation option for Windows Server 2019 versus Server with Desktop Experience). 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\System\ Value Name: EnableLUA Value Type: REG_DWORD Value: 0x00000001 (1)
Fix Text
Configure the policy value for Computer Configuration >> Windows Settings >> Security Settings >> Local Policies >> Security Options >> "User Account Control: Run all administrators in Admin Approval Mode" to "Enabled".
Additional Identifiers
Rule ID: SV-205813r1016470_rule
Vulnerability ID: V-205813
Group Title: SRG-OS-000373-GPOS-00157
Expert Comments
CCIs
| Number | Definition |
|---|---|
| CCI-002038 |
The organization requires users to reauthenticate upon organization-defined circumstances or situations requiring reauthentication. |
| CCI-004895 |
Permit users to invoke the trusted communications path for communications between the user and the organization-defined security functions, including at a minimum, authentication and re-authentication. |
Controls
| Number | Title |
|---|---|
| IA-11 |
Re-authentication |