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Exchange local machine policy must require signed scripts.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| V-259664 | EX19-MB-000061 | SV-259664r986142_rule | Medium |
| Description |
|---|
| Scripts often provide a way for attackers to infiltrate a system, especially scripts downloaded from untrusted locations. By setting machine policy to prevent unauthorized script executions, unanticipated system impacts can be avoided. Failure to allow only signed remote scripts reduces the attack vector vulnerabilities from unsigned remote scripts. |
| STIG | Date |
|---|---|
| Microsoft Exchange 2019 Mailbox Server Security Technical Implementation Guide | 2024-06-10 |
Details
| Check Text ( C-63403r942304_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-63311r942305_fix) |
|---|
| Open the Exchange Management Shell and enter the following command: Set-ExecutionPolicy RemoteSigned |