High severityCISA KEVNVD Advisory· Published Jul 14, 2020· Updated Oct 21, 2025

CVE-2020-1147

Description

A remote code execution vulnerability exists in .NET Framework, Microsoft SharePoint, and Visual Studio when the software fails to check the source markup of XML file input, aka '.NET Framework, SharePoint Server, and Visual Studio Remote Code Execution Vulnerability'.

Affected packages

Versions sourced from the GitHub Security Advisory.

Package	Affected versions	Patched versions
Microsoft.NETCore.AppNuGet	>= 2.1.0, < 2.1.20	2.1.20
Microsoft.NETCore.App.Runtime.linux-armNuGet	>= 3.1.0, < 3.1.6	3.1.6
Microsoft.NETCore.App.Runtime.linux-arm64NuGet	>= 3.1.0, < 3.1.6	3.1.6
Microsoft.NETCore.App.Runtime.linux-musl-arm64NuGet	>= 3.1.0, < 3.1.6	3.1.6
Microsoft.NETCore.App.Runtime.linux-musl-x64NuGet	>= 3.1.0, < 3.1.6	3.1.6
Microsoft.NETCore.App.Runtime.linux-x64NuGet	>= 3.1.0, < 3.1.6	3.1.6
Microsoft.NETCore.App.Runtime.osx-x64NuGet	>= 3.1.0, < 3.1.6	3.1.6
Microsoft.NETCore.App.Runtime.rhel.6-x64NuGet	>= 3.1.0, < 3.1.6	3.1.6
Microsoft.NETCore.App.Runtime.win-armNuGet	>= 3.1.0, < 3.1.6	3.1.6
Microsoft.NETCore.App.Runtime.win-arm64NuGet	>= 3.1.0, < 3.1.6	3.1.6
Microsoft.NETCore.App.Runtime.win-x64NuGet	>= 3.1.0, < 3.1.6	3.1.6
Microsoft.NETCore.App.Runtime.win-x86NuGet	>= 3.1.0, < 3.1.6	3.1.6

Affected products

Microsoft/Microsoft SharePoint Enterprise Serverv5
Range: 2016
Microsoft/Microsoft SharePoint Serverv5
Range: 2019
Microsoft/Microsoft Visual Studio 2019v5
Range: 16.0
Microsoft/Microsoft Visual Studio 2019 version 16.6 (includes 16.0 - 16.5)v5
Range: unspecified
Microsoft/Microsoft Visual Studio 2017 version 15.9 (includes 15.0 - 15.8)v5
Range: unspecified
Microsoft/Microsoft Visual Studio 2019 version 16.4 (includes 16.0 - 16.3)v5
Range: unspecified
Microsoft/.NET Corev5
Range: 2.1
Microsoft/Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2v5
Range: Windows 7 for 32-bit Systems Service Pack 1
Microsoft/Microsoft .NET Framework 4.8 on Windows 10 Version 1803 for 32-bit Systemsv5
Range: unspecified
Microsoft/Microsoft .NET Framework 4.8 on Windows 10 Version 1803 for x64-based Systemsv5
Range: unspecified
Microsoft/Microsoft .NET Framework 4.8 on Windows Server, version 1803 (Server Core Installation)v5
Range: unspecified
Microsoft/Microsoft .NET Framework 4.8 on Windows 10 Version 1709 for 32-bit Systemsv5
Range: unspecified
Microsoft/Microsoft .NET Framework 4.8 on Windows 10 Version 1709 for x64-based Systemsv5
Range: unspecified
Microsoft/Microsoft .NET Framework 4.8 on Windows 10 Version 1607 for 32-bit Systemsv5
Range: unspecified
Microsoft/Microsoft .NET Framework 4.8 on Windows 10 Version 1607 for x64-based Systemsv5
Range: unspecified
Microsoft/Microsoft .NET Framework 4.8 on Windows Server 2016v5
Range: unspecified
Microsoft/Microsoft .NET Framework 4.8 on Windows Server 2016 (Server Core installation)v5
Range: unspecified
Microsoft/Microsoft .NET Framework 4.8 on Windows 7 for 32-bit Systems Service Pack 1v5
Range: unspecified
Microsoft/Microsoft .NET Framework 4.8 on Windows 7 for x64-based Systems Service Pack 1v5
Range: unspecified
Microsoft/Microsoft .NET Framework 4.8 on Windows 8.1 for 32-bit systemsv5
Range: unspecified
Microsoft/Microsoft .NET Framework 4.8 on Windows 8.1 for x64-based systemsv5
Range: unspecified
Microsoft/Microsoft .NET Framework 4.8 on Windows RT 8.1v5
Range: unspecified
Microsoft/Microsoft .NET Framework 4.8 on Windows Server 2008 R2 for x64-based Systems Service Pack 1v5
Range: unspecified
Microsoft/Microsoft .NET Framework 4.8 on Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation)v5
Range: unspecified
Microsoft/Microsoft .NET Framework 4.8 on Windows Server 2012v5
Range: unspecified
Microsoft/Microsoft .NET Framework 4.8 on Windows Server 2012 (Server Core installation)v5
Range: unspecified
Microsoft/Microsoft .NET Framework 4.8 on Windows Server 2012 R2v5
Range: unspecified
Microsoft/Microsoft .NET Framework 4.8 on Windows Server 2012 R2 (Server Core installation)v5
Range: unspecified
Microsoft/Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 1809 for 32-bit Systemsv5
Range: unspecified
Microsoft/Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 1809 for x64-based Systemsv5
Range: unspecified
Microsoft/Microsoft .NET Framework 3.5 AND 4.8 on Windows Server 2019v5
Range: unspecified
Microsoft/Microsoft .NET Framework 3.5 AND 4.8 on Windows Server 2019 (Server Core installation)v5
Range: unspecified
Microsoft/Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 1909 for 32-bit Systemsv5
Range: unspecified
Microsoft/Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 1909 for x64-based Systemsv5
Range: unspecified
Microsoft/Microsoft .NET Framework 3.5 AND 4.8 on Windows Server, version 1909 (Server Core installation)v5
Range: unspecified
Microsoft/Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 1903 for 32-bit Systemsv5
Range: unspecified
Microsoft/Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 1903 for x64-based Systemsv5
Range: unspecified
Microsoft/Microsoft .NET Framework 3.5 AND 4.8 on Windows Server, version 1903 (Server Core installation)v5
Range: 1903
Microsoft/Microsoft .NET Framework 3.5 AND 4.7.2 on Windows 10 Version 1803 for 32-bit Systemsv5
Range: unspecified
Microsoft/Microsoft .NET Framework 3.5 AND 4.7.2 on Windows 10 Version 1803 for x64-based Systemsv5
Range: unspecified
Microsoft/Microsoft .NET Framework 3.5 AND 4.7.2 on Windows Server, version 1803 (Server Core Installation)v5
Range: unspecified
Microsoft/Microsoft .NET Framework 3.5 AND 4.7.2 on Windows 10 Version 1809 for 32-bit Systemsv5
Range: unspecified
Microsoft/Microsoft .NET Framework 3.5 AND 4.7.2 on Windows 10 Version 1809 for x64-based Systemsv5
Range: unspecified
Microsoft/Microsoft .NET Framework 3.5 AND 4.7.2 on Windows 10 Version 1809 for ARM64-based Systemsv5
Range: unspecified
Microsoft/Microsoft .NET Framework 3.5 AND 4.7.2 on Windows Server 2019v5
Range: unspecified
Microsoft/Microsoft .NET Framework 3.5 AND 4.7.2 on Windows Server 2019 (Server Core installation)v5
Range: unspecified
Microsoft/Microsoft .NET Framework 3.5 AND 4.6.2/4.7/4.7.1/4.7.2 on Windows 10 Version 1607 for 32-bit Systemsv5
Range: unspecified
Microsoft/Microsoft .NET Framework 3.5 AND 4.6.2/4.7/4.7.1/4.7.2 on Windows 10 Version 1607 for x64-based Systemsv5
Range: unspecified
Microsoft/Microsoft .NET Framework 3.5 AND 4.6.2/4.7/4.7.1/4.7.2 on Windows Server 2016v5
Range: unspecified
Microsoft/Microsoft .NET Framework 3.5 AND 4.6.2/4.7/4.7.1/4.7.2 on Windows Server 2016 (Server Core installation)v5
Range: unspecified
Microsoft/Microsoft .NET Framework 3.5 AND 4.7.1/4.7.2 on Windows 10 Version 1709 for 32-bit Systemsv5
Range: unspecified
Microsoft/Microsoft .NET Framework 3.5 AND 4.7.1/4.7.2 on Windows 10 Version 1709 for x64-based Systemsv5
Range: unspecified
Microsoft/Microsoft .NET Framework 4.6v5
Range: Windows Server 2008 for 32-bit Systems Service Pack 2
Microsoft/Microsoft .NET Framework 2.0v5
Range: Service Pack 2 on Windows Server 2008 for 32-bit Systems Service Pack 2
Microsoft/Microsoft .NET Framework 3.0v5
Range: Service Pack 2 on Windows Server 2008 for 32-bit Systems Service Pack 2
Microsoft/Microsoft .NET Framework 3.5v5
Range: Windows 8.1 for 32-bit systems
Microsoft/Microsoft .NET Framework 3.5.1v5
Range: Windows 7 for 32-bit Systems Service Pack 1
Microsoft/Microsoft .NET Framework 4.5.2v5
Range: Windows 7 for 32-bit Systems Service Pack 1
Microsoft/Microsoft .NET Framework 3.5 AND 4.6/4.6.1/4.6.2 on Windows 10 for 32-bit Systemsv5
Range: unspecified
Microsoft/Microsoft .NET Framework 3.5 AND 4.6/4.6.1/4.6.2 on Windows 10 for x64-based Systemsv5
Range: unspecified
Microsoft/Microsoft .NET Framework 3.5 AND 4.7.1/4.7.2 on Windows 10 Version 1709 for ARM64-based Systemsv5
Range: unspecified
Microsoft/Microsoft .NET Framework 3.5 AND 4.7.2 on Windows 10 Version 1803 for ARM64-based Systemsv5
Range: unspecified
Microsoft/Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 2004 for x64-based Systemsv5
Range: unspecified
Microsoft/Microsoft .NET Framework 3.5 AND 4.8 on Windows Server, version 2004 (Server Core installation)v5
Range: unspecified
Microsoft/Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 1903 for ARM64-based Systemsv5
Range: unspecified
Microsoft/Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 1909 for ARM64-based Systemsv5
Range: unspecified
Microsoft/Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 2004 for 32-bit Systemsv5
Range: unspecified
Microsoft/Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 2004 for ARM64-based Systemsv5
Range: unspecified

Patches

No patches discovered yet.

Vulnerability mechanics

AI mechanics synthesis has not run for this CVE yet.

References

github.com/advisories/GHSA-g5vf-38cp-4px9ghsaADVISORY
nvd.nist.gov/vuln/detail/CVE-2020-1147ghsaADVISORY
packetstormsecurity.com/files/158694/SharePoint-DataSet-DataTable-Deserialization.htmlghsax_refsource_MISCWEB
packetstormsecurity.com/files/158876/Microsoft-SharePoint-Server-2019-Remote-Code-Execution.htmlghsax_refsource_MISCWEB
packetstormsecurity.com/files/163644/Microsoft-SharePoint-Server-2019-Remote-Code-Execution.htmlghsax_refsource_MISCWEB
github.com/dotnet/announcements/issues/159ghsaWEB
portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1147ghsax_refsource_MISCWEB
www.cisa.gov/known-exploited-vulnerabilities-catalogghsaWEB
www.exploitalert.com/view-details.htmlghsax_refsource_MISCWEB

News mentions

No linked articles in our index yet.

cvss	0.455
epss	0.075
exploit	0.030
kev	0.120
patch	0.000
ransomware	0.000