Finding ID | Version | Rule ID | IA Controls | Severity |
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V-80477 | WN12-00-000220 | SV-95185r1_rule | Medium |
Description |
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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 |
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Windows Server 2012/2012 R2 Member Server Security Technical Implementation Guide | 2018-10-30 |
Check Text ( C-80153r1_chk ) |
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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-87287r3_fix) |
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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". |