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Network shares that can be accessed anonymously must not be allowed.


Overview

Finding ID Version Rule ID IA Controls Severity
V-226322 WN12-SO-000059 SV-226322r794549_rule High
Description
Anonymous access to network shares provides the potential for gaining unauthorized system access by network users. This could lead to the exposure or corruption of sensitive data.
STIG Date
Microsoft Windows Server 2012/2012 R2 Domain Controller Security Technical Implementation Guide 2022-03-01

Details

Check Text ( C-28024r476810_chk )
If the following registry value does not exist, this is not a finding:

If the following registry value does exist and is not configured as specified, this is a finding:

Registry Hive: HKEY_LOCAL_MACHINE
Registry Path: \System\CurrentControlSet\Services\LanManServer\Parameters\

Value Name: NullSessionShares

Value Type: REG_MULTI_SZ
Value: (Blank)
Fix Text (F-28012r476811_fix)
Ensure the policy value for Computer Configuration -> Windows Settings -> Security Settings -> Local Policies -> Security Options -> "Network access: Shares that can be accessed anonymously" contains no entries (blank).