macOS 15 - Sequoia

The macOS system must disable Screen Sharing and Apple Remote Desktop

STIG ID: APPL-15-002050 | SRG: SRG-OS-000080-GPOS-00048 | Severity: Medium | CCI: CCI-000213 | Vulnerability ID: V-268505

Description

Support for both Screen Sharing and Apple Remote Desktop is nonessential and must be disabled.The information system must be configured to provide only essential capabilities. Disabling Screen Sharing and Apple Remote Desktop helps prevent unauthorized connection of devices, transfer of information, and tunneling.

Check

C-268505r1034455_chk

Verify the macOS system is configured to disable Screen Sharing and Apple Remote Desktop with the following command:/bin/launchctl print-disabled system | /usr/bin/grep -c '"com.apple.screensharing" => disabled'If the result is not "1", this is a finding.

Fix

F-72436r1034454_fix

Configure the macOS system to disable Screen Sharing and Apple Remote Desktop with the following command:/bin/launchctl disable system/com.apple.screensharingThe system may need to be restarted for the update to take effect.NOTE: This will apply to the whole system.