Microsoft Windows Server 2025

Windows Server 2025 must not allow anonymous SID/Name translation

STIG ID: WN25-SO-000210 | SRG: SRG-OS-000480-GPOS-00227 | Severity: High | CCI: CCI-000366 | Vulnerability ID: V-278215

Description

Allowing anonymous SID/Name translation can provide sensitive information for accessing a system. Only authorized users must be able to perform such translations.

Check

C-82745r1181349_chk

Verify the effective setting in Local Group Policy Editor.

Run gpedit.msc.

Navigate to Local Computer Policy >> Computer Configuration >> Windows Settings >> Security Settings >> Local Policies >> Security Options.

If the value for "Network access: Allow anonymous SID/Name translation" is not set to "Disabled", this is a finding.

Fix

F-82650r1181350_fix

Configure the policy value for Computer Configuration >> Windows Settings >> Security Settings >> Local Policies >> Security Options >> Network access: Allow anonymous SID/Name translation to "Disabled".