Vulnerabilities > CVE-2020-0951 - Unspecified vulnerability in Microsoft products

CVSS 6.7 - MEDIUM

Attack vector

LOCAL

Attack complexity

LOW

Privileges required

HIGH

Confidentiality impact

HIGH

Integrity impact

HIGH

Availability impact

HIGH

local

low complexity

microsoft

NVD

Published: 2020-09-11

Updated: 2023-12-31

Summary

A security feature bypass vulnerability exists in Windows Defender Application Control (WDAC) which could allow an attacker to bypass WDAC enforcement. An attacker who successfully exploited this vulnerability could execute PowerShell commands that would be blocked by WDAC. To exploit the vulnerability, an attacker need administrator access on a local machine where PowerShell is running. The attacker could then connect to a PowerShell session and send commands to execute arbitrary code. The update addresses the vulnerability by correcting how PowerShell commands are validated when WDAC protection is enabled.

Vulnerable Configurations

Part	Description	Count
OS	Microsoft Microsoft Windows 10 1607 Microsoft Windows 10 1709 Microsoft Windows 10 1803 Microsoft Windows 10 1809 Microsoft Windows 10 1903 Microsoft Windows 10 1909 Microsoft Windows 10 2004 Microsoft Windows Server 2016 - Microsoft Windows Server 2016 1903 Microsoft Windows Server 2016 1909 Microsoft Windows Server 2016 2004 Microsoft Windows Server 2019 -	13
Application	Microsoft Microsoft Powershell 7.1 Microsoft Powershell 7.1.1 Microsoft Powershell 7.1.2 Microsoft Powershell 7.1.3 Microsoft Powershell 7.1.4 Microsoft Powershell 7.0 Microsoft Powershell 7.0.1 Microsoft Powershell 7.0.2 Microsoft Powershell 7.0.3 Microsoft Powershell 7.0.4 Microsoft Powershell 7.0.5 Microsoft Powershell 7.0.6 Microsoft Powershell 7.0.7 Microsoft Powershell 7.0.8	33

References

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-0951

Summary

Vulnerable Configurations

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References