Vulnerabilities > CVE-2020-16886 - Unspecified vulnerability in Microsoft Powershellget 2.2.5

047910
CVSS 5.3 - MEDIUM
Attack vector
LOCAL
Attack complexity
LOW
Privileges required
LOW
Confidentiality impact
LOW
Integrity impact
LOW
Availability impact
LOW
local
low complexity
microsoft

Summary

<p>A security feature bypass vulnerability exists in the PowerShellGet V2 module. An attacker who successfully exploited this vulnerability could bypass WDAC (Windows Defender Application Control) policy and execute arbitrary code on a policy locked-down machine.</p> <p>An attacker must have administrator privileges to create a configuration that includes installing PowerShellGet V2 module onto a machine from the PowerShell Gallery. The WDAC policy must be configured to allow the module to run. After this is done, PowerShell script can be injected and run fully trusted, allowing the attacker arbitrary code execution on the machine.</p> <p>The update addresses the vulnerability by changing how URLs are processed.</p>

Vulnerable Configurations

Part Description Count
Application
Microsoft
1