V-253455 | The system must be configured to prevent a...

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".