The Exchange local machine policy must require signed scripts.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
| V-259634 | EX19-ED-000198 | SV-259634r1015764_rule | CCI-003938 | medium |
| Description | ||||
| Scripts, especially those downloaded from untrusted locations, often provide a way for attackers to infiltrate a system. By setting machine policy to prevent unauthorized script executions, unanticipated system impacts can be avoided. | ||||
| STIG | Date | |||
| Microsoft Exchange 2019 Edge Server Security Technical Implementation Guide | 2024-12-06 | |||
Details
Check Text (C-259634r1015764_chk)
Open the Exchange Management Shell and enter the following command:
Get-ExecutionPolicy
If the value returned is not "RemoteSigned", this is a finding.
Fix Text (F-63281r942215_fix)
Open the Exchange Management Shell and enter the following command:
Set-ExecutionPolicy RemoteSigned