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Windows Server 2022 must be configured to prevent anonymous users from having the same permissions as the Everyone group.


Overview

Finding ID Version Rule ID IA Controls Severity
V-254468 WN22-SO-000240 SV-254468r991589_rule Medium
Description
Access by anonymous users must be restricted. If this setting is enabled, anonymous users have the same rights and permissions as the built-in Everyone group. Anonymous users must not have these permissions or rights.
STIG Date
Microsoft Windows Server 2022 Security Technical Implementation Guide 2024-06-14

Details

Check Text ( C-57953r849218_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: \SYSTEM\CurrentControlSet\Control\Lsa\

Value Name: EveryoneIncludesAnonymous

Value Type: REG_DWORD
Value: 0x00000000 (0)
Fix Text (F-57904r849219_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".