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Windows PowerShell 2.0 must not be installed on Windows 2012/2012 R2.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| V-226055 | WN12-00-000220 | SV-226055r569184_rule | Medium |
| Description |
|---|
| Windows PowerShell versions 4.0 (with a patch) and 5.x add advanced logging features that can provide additional detail when malware has been run on a system. Ensuring Windows PowerShell 2.0 is not installed as well mitigates against a downgrade attack that evades the advanced logging features of later Windows PowerShell versions. |
| STIG | Date |
|---|---|
| Microsoft Windows Server 2012/2012 R2 Domain Controller Security Technical Implementation Guide | 2020-10-15 |
Details
| Check Text ( C-27757r475488_chk ) |
|---|
| Windows PowerShell 2.0 is not installed by default. Open "Windows PowerShell". Enter "Get-WindowsFeature -Name PowerShell-v2". If "Installed State" is "Installed", this is a finding. An Installed State of "Available" or "Removed" is not a finding. |
| Fix Text (F-27745r475489_fix) |
|---|
| Windows PowerShell 2.0 is not installed by default. Uninstall it if it has been installed. Open "Windows PowerShell". Enter "Uninstall-WindowsFeature -Name PowerShell-v2". Alternately: Use the "Remove Roles and Features Wizard" and deselect "Windows PowerShell 2.0 Engine" under "Windows PowerShell". |