Microsoft Windows Server 2022

Windows Server 2022 must not have the TFTP Client installed

STIG ID: WN22-00-000370 | SRG: SRG-OS-000095-GPOS-00049 | Severity: Medium | CCI: CCI-000381 | Vulnerability ID: V-254274

Description

Unnecessary services increase the attack surface of a system. Some of these services may not support required levels of authentication or encryption or may provide unauthorized access to the system.

Check

C-57759r848636_chk

Open "PowerShell".Enter "Get-WindowsFeature | Where Name -eq TFTP-Client".If "Installed State" is "Installed", this is a finding.An Installed State of "Available" or "Removed" is not a finding.

Fix

F-57710r848637_fix

Uninstall the "TFTP Client" feature.Start "Server Manager".Select the server with the feature.Scroll down to "ROLES AND FEATURES" in the right pane.Select "Remove Roles and Features" from the drop-down "TASKS" list.Select the appropriate server on the "Server Selection" page and click "Next".Deselect "TFTP Client" on the "Features" page.Click "Next" and "Remove" as prompted.