CVE-2020-1147: Microsoft .NET Framework, SharePoint, and Visual Studio Remote Code Execution Vulnerability

Published Jul 14, 2020
·
Updated

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'.

Other sources

Microsoft .NET Framework, Microsoft SharePoint, and Visual Studio contain a remote code execution vulnerability when the software fails to check the source markup of XML file input. Successful exploitation allows an attacker to execute code in the context of the process responsible for deserialization of the XML content.

— CISA

Affected Software

118 affected components
Microsoft .NET Framework, SharePoint, Visual Studio
Microsoft .NET Core=2.1
Microsoft .NET Core=3.1
Microsoft .NET Framework=2.0-sp2
Microsoft .NET Framework=3.0-sp2
Microsoft Windows Server 2008=sp2
Microsoft .NET Framework=3.5
Microsoft Windows 8.1
Microsoft Windows Server 2012
Microsoft Windows Server 2012=r2
Microsoft .NET Framework=4.6.2
Microsoft .NET Framework=4.7
Microsoft .NET Framework=4.7.1
Microsoft .NET Framework=4.7.2
Microsoft Windows 10=1607
Microsoft Windows Server 2016
Microsoft .NET Framework=4.6
Microsoft .NET Framework=4.6.1
Microsoft Windows 10
Microsoft Windows 10=1709
Microsoft Windows 10=1803
Microsoft Windows 10=1809
Microsoft Windows Server 2016=1803
Microsoft Windows Server 2019
Microsoft .NET Framework=4.8
Microsoft Windows 10=1903
Microsoft Windows 10=1909
Microsoft Windows 10=2004
Microsoft Windows Server 2016=1903
Microsoft Windows Server 2016=1909
Microsoft Windows Server 2016=2004
Microsoft .NET Framework=3.5.1
Microsoft Windows 7=sp1
Microsoft Windows Server 2008=r2-sp1
Microsoft .NET Framework=4.5.2
Microsoft Windows RT 8.1
Microsoft Windows Server 2008=r2-sp1
Microsoft SharePoint Enterprise Server=2013-sp1
Microsoft SharePoint Enterprise Server=2016
Microsoft SharePoint Server=2010-sp2
Microsoft SharePoint Server=2019
Microsoft Visual Studio 2017>=15.0<=15.9
Microsoft Visual Studio 2019>=16.0<=16.6
All of the following
Any of the following
Microsoft .NET Framework=2.0-sp2
Microsoft .NET Framework=3.0-sp2
Microsoft Windows Server 2008=sp2
All of the following
Microsoft .NET Framework=3.5
Any of the following
Microsoft Windows 8.1
Microsoft Windows Server 2012
Microsoft Windows Server 2012=r2
All of the following
Any of the following
Microsoft .NET Framework=3.5
Microsoft .NET Framework=4.6.2
Microsoft .NET Framework=4.7
Microsoft .NET Framework=4.7.1
Microsoft .NET Framework=4.7.2
Any of the following
Microsoft Windows 10=1607
Microsoft Windows Server 2016
All of the following
Any of the following
Microsoft .NET Framework=3.5
Microsoft .NET Framework=4.6
Microsoft .NET Framework=4.6.1
Microsoft .NET Framework=4.6.2
Microsoft Windows 10
All of the following
Any of the following
Microsoft .NET Framework=3.5
Microsoft .NET Framework=4.7.1
Microsoft .NET Framework=4.7.2
Microsoft Windows 10=1709
All of the following
Any of the following
Microsoft .NET Framework=3.5
Microsoft .NET Framework=4.7.2
Any of the following
Microsoft Windows 10=1803
Microsoft Windows 10=1809
Microsoft Windows Server 2016=1803
Microsoft Windows Server 2019
All of the following
Any of the following
Microsoft .NET Framework=3.5
Microsoft .NET Framework=4.8
Any of the following
Microsoft Windows 10=1809
Microsoft Windows 10=1903
Microsoft Windows 10=1909
Microsoft Windows 10=2004
Microsoft Windows Server 2016=1903
Microsoft Windows Server 2016=1909
Microsoft Windows Server 2016=2004
Microsoft Windows Server 2019
All of the following
Microsoft .NET Framework=3.5.1
Any of the following
Microsoft Windows 7=sp1
Microsoft Windows Server 2008=r2-sp1
All of the following
Microsoft .NET Framework=4.5.2
Any of the following
Microsoft Windows 7=sp1
Microsoft Windows 8.1
Microsoft Windows RT 8.1
Microsoft Windows Server 2008=sp2
Microsoft Windows Server 2008=r2-sp1
Microsoft Windows Server 2012
Microsoft Windows Server 2012=r2
All of the following
Microsoft .NET Framework=4.6
Microsoft Windows Server 2008=sp2
All of the following
Any of the following
Microsoft .NET Framework=4.6
Microsoft .NET Framework=4.6.1
Microsoft .NET Framework=4.6.2
Microsoft .NET Framework=4.7
Microsoft .NET Framework=4.7.1
Microsoft .NET Framework=4.7.2
Any of the following
Microsoft Windows 7=sp1
Microsoft Windows 8.1
Microsoft Windows Server 2008=r2-sp1
Microsoft Windows Server 2012
Microsoft Windows Server 2012=r2
All of the following
Microsoft .NET Framework=4.8
Any of the following
Microsoft Windows 10=1607
Microsoft Windows 10=1709
Microsoft Windows 10=1803
Microsoft Windows 7=sp1
Microsoft Windows 8.1
Microsoft Windows RT 8.1
Microsoft Windows Server 2008=r2-sp1
Microsoft Windows Server 2012
Microsoft Windows Server 2012=r2
Microsoft Windows Server 2016
Microsoft Windows Server 2016=1803

Remediation

Patch Available

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1147

Event History

Jul 14, 2020
CVE Published
via MITRE·10:54 PM
Data Sourced
via MITRE·10:54 PM
DescriptionWeakness
Data Sourced
via NVD·11:15 PM
RemedyDescriptionSeverityAffected Software
Nov 3, 2021
Known Exploited
via CISA·12:00 AM
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Frequently Asked Questions

1

What is the severity of CVE-2020-1147?

CVE-2020-1147 has a critical severity rating due to its potential for remote code execution.

2

How do I fix CVE-2020-1147?

To mitigate CVE-2020-1147, apply the latest security updates from Microsoft for the affected software.

3

Which products are affected by CVE-2020-1147?

CVE-2020-1147 affects Microsoft .NET Framework versions 2.0 to 4.8, Microsoft SharePoint Server versions 2010 to 2019, and Visual Studio 2017 and 2019.

4

What types of attacks can exploit CVE-2020-1147?

CVE-2020-1147 can be exploited through malicious XML file processing, allowing attackers to execute arbitrary code remotely.

5

What are the risks if CVE-2020-1147 is not addressed?

If left unaddressed, CVE-2020-1147 can allow malicious actors to gain unauthorized access and execute harmful code on vulnerable systems.

Company

Resources

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