STIG V-253455 | The system must be configured to prev...

Microsoft Windows 11

The system must be configured to prevent anonymous users from having the same rights as the Everyone group

STIG ID: WN11-SO-000160 | SRG: SRG-OS-000480-GPOS-00227 | Severity: Medium | CCI: CCI-000366 | Vulnerability ID: V-253455

Description

Access by anonymous users must be restricted. If this setting is enabled, then anonymous users have the same rights and permissions as the built-in Everyone group. Anonymous users must not have these permissions or rights.

Check

C-56908r829447_chk

If the following registry value does not exist or is not configured as specified, this is a finding:Registry Hive: HKEY_LOCAL_MACHINERegistry Path: \SYSTEM\CurrentControlSet\Control\Lsa\Value Name: EveryoneIncludesAnonymousValue Type: REG_DWORDValue: 0

Fix

F-56858r829448_fix

Configure the policy value for Computer Configuration >> Windows Settings >> Security Settings >> Local Policies >> Security Options >> "Network access: Let Everyone permissions apply to anonymous users" to "Disabled".