CVE-2020-1147

HighCVSS 7.8/10Known exploited (CISA KEV)Last modified Jun 17, 2026

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'.

Metrics

CVSS 3.1 7.8/10CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected software

VendorProductVersions
MicrosoftMicrosoft SharePoint Enterprise Server2016; 2013 Service Pack 1
MicrosoftMicrosoft SharePoint Server2019; 2010 Service Pack 2
MicrosoftMicrosoft Visual Studio 201916.0
MicrosoftMicrosoft Visual Studio 2019 version 16.6 (includes 16.0 - 16.5)unspecified
MicrosoftMicrosoft Visual Studio 2017 version 15.9 (includes 15.0 - 15.8)unspecified
MicrosoftMicrosoft Visual Studio 2019 version 16.4 (includes 16.0 - 16.3)unspecified
Microsoft.NET Core2.1; 3.1
MicrosoftMicrosoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2Windows 7 for 32-bit Systems Service Pack 1; Windows 7 for x64-based Systems Service Pack 1; Windows 8.1 for 32-bit systems; Windows 8.1 for x64-based systems; Windows RT 8.1; Windows Server 2008 R2 for x64-based Systems Service Pack 1; Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation); Windows Server 2012; Windows Server 2012 (Server Core installation); Windows Server 2012 R2; Windows Server 2012 R2 (Server Core installation)
MicrosoftMicrosoft .NET Framework 4.8 on Windows 10 Version 1803 for 32-bit Systemsunspecified
MicrosoftMicrosoft .NET Framework 4.8 on Windows 10 Version 1803 for x64-based Systemsunspecified
MicrosoftMicrosoft .NET Framework 4.8 on Windows Server, version 1803 (Server Core Installation)unspecified
MicrosoftMicrosoft .NET Framework 4.8 on Windows 10 Version 1709 for 32-bit Systemsunspecified
MicrosoftMicrosoft .NET Framework 4.8 on Windows 10 Version 1709 for x64-based Systemsunspecified
MicrosoftMicrosoft .NET Framework 4.8 on Windows 10 Version 1607 for 32-bit Systemsunspecified
MicrosoftMicrosoft .NET Framework 4.8 on Windows 10 Version 1607 for x64-based Systemsunspecified
MicrosoftMicrosoft .NET Framework 4.8 on Windows Server 2016unspecified
MicrosoftMicrosoft .NET Framework 4.8 on Windows Server 2016 (Server Core installation)unspecified
MicrosoftMicrosoft .NET Framework 4.8 on Windows 7 for 32-bit Systems Service Pack 1unspecified
MicrosoftMicrosoft .NET Framework 4.8 on Windows 7 for x64-based Systems Service Pack 1unspecified
MicrosoftMicrosoft .NET Framework 4.8 on Windows 8.1 for 32-bit systemsunspecified
MicrosoftMicrosoft .NET Framework 4.8 on Windows 8.1 for x64-based systemsunspecified
MicrosoftMicrosoft .NET Framework 4.8 on Windows RT 8.1unspecified
MicrosoftMicrosoft .NET Framework 4.8 on Windows Server 2008 R2 for x64-based Systems Service Pack 1unspecified
MicrosoftMicrosoft .NET Framework 4.8 on Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation)unspecified
MicrosoftMicrosoft .NET Framework 4.8 on Windows Server 2012unspecified
MicrosoftMicrosoft .NET Framework 4.8 on Windows Server 2012 (Server Core installation)unspecified
MicrosoftMicrosoft .NET Framework 4.8 on Windows Server 2012 R2unspecified
MicrosoftMicrosoft .NET Framework 4.8 on Windows Server 2012 R2 (Server Core installation)unspecified
MicrosoftMicrosoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 1809 for 32-bit Systemsunspecified
MicrosoftMicrosoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 1809 for x64-based Systemsunspecified
MicrosoftMicrosoft .NET Framework 3.5 AND 4.8 on Windows Server 2019unspecified
MicrosoftMicrosoft .NET Framework 3.5 AND 4.8 on Windows Server 2019 (Server Core installation)unspecified
MicrosoftMicrosoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 1909 for 32-bit Systemsunspecified
MicrosoftMicrosoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 1909 for x64-based Systemsunspecified
MicrosoftMicrosoft .NET Framework 3.5 AND 4.8 on Windows Server, version 1909 (Server Core installation)unspecified
MicrosoftMicrosoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 1903 for 32-bit Systemsunspecified
MicrosoftMicrosoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 1903 for x64-based Systemsunspecified
MicrosoftMicrosoft .NET Framework 3.5 AND 4.8 on Windows Server, version 1903 (Server Core installation)1903
MicrosoftMicrosoft .NET Framework 3.5 AND 4.7.2 on Windows 10 Version 1803 for 32-bit Systemsunspecified
MicrosoftMicrosoft .NET Framework 3.5 AND 4.7.2 on Windows 10 Version 1803 for x64-based Systemsunspecified
MicrosoftMicrosoft .NET Framework 3.5 AND 4.7.2 on Windows Server, version 1803 (Server Core Installation)unspecified
MicrosoftMicrosoft .NET Framework 3.5 AND 4.7.2 on Windows 10 Version 1809 for 32-bit Systemsunspecified
MicrosoftMicrosoft .NET Framework 3.5 AND 4.7.2 on Windows 10 Version 1809 for x64-based Systemsunspecified
MicrosoftMicrosoft .NET Framework 3.5 AND 4.7.2 on Windows 10 Version 1809 for ARM64-based Systemsunspecified
MicrosoftMicrosoft .NET Framework 3.5 AND 4.7.2 on Windows Server 2019unspecified
MicrosoftMicrosoft .NET Framework 3.5 AND 4.7.2 on Windows Server 2019 (Server Core installation)unspecified
MicrosoftMicrosoft .NET Framework 3.5 AND 4.6.2/4.7/4.7.1/4.7.2 on Windows 10 Version 1607 for 32-bit Systemsunspecified
MicrosoftMicrosoft .NET Framework 3.5 AND 4.6.2/4.7/4.7.1/4.7.2 on Windows 10 Version 1607 for x64-based Systemsunspecified
MicrosoftMicrosoft .NET Framework 3.5 AND 4.6.2/4.7/4.7.1/4.7.2 on Windows Server 2016unspecified
MicrosoftMicrosoft .NET Framework 3.5 AND 4.6.2/4.7/4.7.1/4.7.2 on Windows Server 2016 (Server Core installation)unspecified

References

Timeline

Published
Jul 14, 2020
Last modified
Jun 17, 2026
Added to CISA KEV
Nov 3, 2021
NVD status
Analyzed

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CVE-2020-1147: High severity, CVSS 7.8 | Vulnix