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CVE-2020-1147

UNKNOWN
Published 2020-07-14T22:54:00.000Z
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CVSS Score

V3.1
7.8
/10
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Base Score Metrics
Exploitability: N/A Impact: N/A

EPSS Score

v2025.03.14
0.928
probability
of exploitation in the wild

There is a 92.8% chance that this vulnerability will be exploited in the wild within the next 30 days.

Updated: 2025-06-25
Exploit Probability
Percentile: 0.998
Higher than 99.8% of all CVEs

Attack Vector Metrics

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED

Impact Metrics

Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH

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'.

Available Exploits

No exploits available for this CVE.

Related News

No news articles found for this CVE.

Affected Products

Microsoft

Microsoft SharePoint Enterprise Server

Affected Versions:

2016 2013 Service Pack 1
Microsoft

Microsoft SharePoint Server

Affected Versions:

2019 2010 Service Pack 2
Microsoft

Microsoft Visual Studio 2019

Affected Versions:

16.0
Microsoft

Microsoft Visual Studio 2019 version 16.6 (includes 16.0 - 16.5)

Affected Versions:

unspecified
Microsoft

Microsoft Visual Studio 2017 version 15.9 (includes 15.0 - 15.8)

Affected Versions:

unspecified
Microsoft

Microsoft Visual Studio 2019 version 16.4 (includes 16.0 - 16.3)

Affected Versions:

unspecified
Microsoft

.NET Core

Affected Versions:

2.1 3.1
Microsoft

Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2

Affected Versions:

Windows 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)
Microsoft

Microsoft .NET Framework 4.8 on Windows 10 Version 1803 for 32-bit Systems

Affected Versions:

unspecified
Microsoft

Microsoft .NET Framework 4.8 on Windows 10 Version 1803 for x64-based Systems

Affected Versions:

unspecified
Microsoft

Microsoft .NET Framework 4.8 on Windows Server, version 1803 (Server Core Installation)

Affected Versions:

unspecified
Microsoft

Microsoft .NET Framework 4.8 on Windows 10 Version 1709 for 32-bit Systems

Affected Versions:

unspecified
Microsoft

Microsoft .NET Framework 4.8 on Windows 10 Version 1709 for x64-based Systems

Affected Versions:

unspecified
Microsoft

Microsoft .NET Framework 4.8 on Windows 10 Version 1607 for 32-bit Systems

Affected Versions:

unspecified
Microsoft

Microsoft .NET Framework 4.8 on Windows 10 Version 1607 for x64-based Systems

Affected Versions:

unspecified
Microsoft

Microsoft .NET Framework 4.8 on Windows Server 2016

Affected Versions:

unspecified
Microsoft

Microsoft .NET Framework 4.8 on Windows Server 2016 (Server Core installation)

Affected Versions:

unspecified
Microsoft

Microsoft .NET Framework 4.8 on Windows 7 for 32-bit Systems Service Pack 1

Affected Versions:

unspecified
Microsoft

Microsoft .NET Framework 4.8 on Windows 7 for x64-based Systems Service Pack 1

Affected Versions:

unspecified
Microsoft

Microsoft .NET Framework 4.8 on Windows 8.1 for 32-bit systems

Affected Versions:

unspecified
Microsoft

Microsoft .NET Framework 4.8 on Windows 8.1 for x64-based systems

Affected Versions:

unspecified
Microsoft

Microsoft .NET Framework 4.8 on Windows RT 8.1

Affected Versions:

unspecified
Microsoft

Microsoft .NET Framework 4.8 on Windows Server 2008 R2 for x64-based Systems Service Pack 1

Affected Versions:

unspecified
Microsoft

Microsoft .NET Framework 4.8 on Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation)

Affected Versions:

unspecified
Microsoft

Microsoft .NET Framework 4.8 on Windows Server 2012

Affected Versions:

unspecified
Microsoft

Microsoft .NET Framework 4.8 on Windows Server 2012 (Server Core installation)

Affected Versions:

unspecified
Microsoft

Microsoft .NET Framework 4.8 on Windows Server 2012 R2

Affected Versions:

unspecified
Microsoft

Microsoft .NET Framework 4.8 on Windows Server 2012 R2 (Server Core installation)

Affected Versions:

unspecified
Microsoft

Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 1809 for 32-bit Systems

Affected Versions:

unspecified
Microsoft

Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 1809 for x64-based Systems

Affected Versions:

unspecified
Microsoft

Microsoft .NET Framework 3.5 AND 4.8 on Windows Server 2019

Affected Versions:

unspecified
Microsoft

Microsoft .NET Framework 3.5 AND 4.8 on Windows Server 2019 (Server Core installation)

Affected Versions:

unspecified
Microsoft

Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 1909 for 32-bit Systems

Affected Versions:

unspecified
Microsoft

Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 1909 for x64-based Systems

Affected Versions:

unspecified
Microsoft

Microsoft .NET Framework 3.5 AND 4.8 on Windows Server, version 1909 (Server Core installation)

Affected Versions:

unspecified
Microsoft

Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 1903 for 32-bit Systems

Affected Versions:

unspecified
Microsoft

Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 1903 for x64-based Systems

Affected Versions:

unspecified
Microsoft

Microsoft .NET Framework 3.5 AND 4.8 on Windows Server, version 1903 (Server Core installation)

Affected Versions:

1903
Microsoft

Microsoft .NET Framework 3.5 AND 4.7.2 on Windows 10 Version 1803 for 32-bit Systems

Affected Versions:

unspecified
Microsoft

Microsoft .NET Framework 3.5 AND 4.7.2 on Windows 10 Version 1803 for x64-based Systems

Affected Versions:

unspecified
Microsoft

Microsoft .NET Framework 3.5 AND 4.7.2 on Windows Server, version 1803 (Server Core Installation)

Affected Versions:

unspecified
Microsoft

Microsoft .NET Framework 3.5 AND 4.7.2 on Windows 10 Version 1809 for 32-bit Systems

Affected Versions:

unspecified
Microsoft

Microsoft .NET Framework 3.5 AND 4.7.2 on Windows 10 Version 1809 for x64-based Systems

Affected Versions:

unspecified
Microsoft

Microsoft .NET Framework 3.5 AND 4.7.2 on Windows 10 Version 1809 for ARM64-based Systems

Affected Versions:

unspecified
Microsoft

Microsoft .NET Framework 3.5 AND 4.7.2 on Windows Server 2019

Affected Versions:

unspecified
Microsoft

Microsoft .NET Framework 3.5 AND 4.7.2 on Windows Server 2019 (Server Core installation)

Affected Versions:

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 Systems

Affected Versions:

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 Systems

Affected Versions:

unspecified
Microsoft

Microsoft .NET Framework 3.5 AND 4.6.2/4.7/4.7.1/4.7.2 on Windows Server 2016

Affected Versions:

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)

Affected Versions:

unspecified
Microsoft

Microsoft .NET Framework 3.5 AND 4.7.1/4.7.2 on Windows 10 Version 1709 for 32-bit Systems

Affected Versions:

unspecified
Microsoft

Microsoft .NET Framework 3.5 AND 4.7.1/4.7.2 on Windows 10 Version 1709 for x64-based Systems

Affected Versions:

unspecified
Microsoft

Microsoft .NET Framework 4.6

Affected Versions:

Windows Server 2008 for 32-bit Systems Service Pack 2 Windows Server 2008 for x64-based Systems Service Pack 2
Microsoft

Microsoft .NET Framework 2.0

Affected Versions:

Service Pack 2 on Windows Server 2008 for 32-bit Systems Service Pack 2 Service Pack 2 on Windows Server 2008 for x64-based Systems Service Pack 2
Microsoft

Microsoft .NET Framework 3.0

Affected Versions:

Service Pack 2 on Windows Server 2008 for 32-bit Systems Service Pack 2 Service Pack 2 on Windows Server 2008 for x64-based Systems Service Pack 2
Microsoft

Microsoft .NET Framework 3.5

Affected Versions:

Windows 8.1 for 32-bit systems Windows 8.1 for x64-based systems Windows Server 2012 Windows Server 2012 (Server Core installation) Windows Server 2012 R2 Windows Server 2012 R2 (Server Core installation)
Microsoft

Microsoft .NET Framework 3.5.1

Affected Versions:

Windows 7 for 32-bit Systems Service Pack 1 Windows 7 for x64-based Systems Service Pack 1 Windows Server 2008 R2 for x64-based Systems Service Pack 1
Microsoft

Microsoft .NET Framework 4.5.2

Affected Versions:

Windows 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 for 32-bit Systems Service Pack 2 Windows Server 2008 for x64-based Systems Service Pack 2 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)
Microsoft

Microsoft .NET Framework 3.5 AND 4.6/4.6.1/4.6.2 on Windows 10 for 32-bit Systems

Affected Versions:

unspecified
Microsoft

Microsoft .NET Framework 3.5 AND 4.6/4.6.1/4.6.2 on Windows 10 for x64-based Systems

Affected Versions:

unspecified
Microsoft

Microsoft .NET Framework 3.5 AND 4.7.1/4.7.2 on Windows 10 Version 1709 for ARM64-based Systems

Affected Versions:

unspecified
Microsoft

Microsoft .NET Framework 3.5 AND 4.7.2 on Windows 10 Version 1803 for ARM64-based Systems

Affected Versions:

unspecified
Microsoft

Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 2004 for x64-based Systems

Affected Versions:

unspecified
Microsoft

Microsoft .NET Framework 3.5 AND 4.8 on Windows Server, version 2004 (Server Core installation)

Affected Versions:

unspecified
Microsoft

Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 1903 for ARM64-based Systems

Affected Versions:

unspecified
Microsoft

Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 1909 for ARM64-based Systems

Affected Versions:

unspecified
Microsoft

Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 2004 for 32-bit Systems

Affected Versions:

unspecified
Microsoft

Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 2004 for ARM64-based Systems

Affected Versions:

unspecified

Known Exploited Vulnerability

This vulnerability is actively being exploited in the wild

View KEV Details

Remediation Status

Overdue

Due Date

May 3, 2022

Added to KEV

November 3, 2021

Required Action

Apply updates per vendor instructions.

Affected Product

Vendor/Project: Microsoft
Product: .NET Framework, SharePoint, Visual Studio

Ransomware Risk

Known Ransomware Use
KEV Catalog Version: 2025.01.24 Released: January 24, 2025

GitHub Security Advisories

Community-driven vulnerability intelligence from GitHub

✓ GitHub Reviewed HIGH

.NET Framework, SharePoint Server, and Visual Studio Remote Code Execution Vulnerability

GHSA-g5vf-38cp-4px9

Advisory Details

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

NuGet Microsoft.NETCore.App
ECOSYSTEM: ≥2.1.0 <2.1.20
NuGet Microsoft.NETCore.App.Runtime.linux-arm
ECOSYSTEM: ≥3.1.0 <3.1.6
NuGet Microsoft.NETCore.App.Runtime.linux-arm64
ECOSYSTEM: ≥3.1.0 <3.1.6
NuGet Microsoft.NETCore.App.Runtime.linux-musl-arm64
ECOSYSTEM: ≥3.1.0 <3.1.6
NuGet Microsoft.NETCore.App.Runtime.linux-musl-x64
ECOSYSTEM: ≥3.1.0 <3.1.6
NuGet Microsoft.NETCore.App.Runtime.linux-x64
ECOSYSTEM: ≥3.1.0 <3.1.6
NuGet Microsoft.NETCore.App.Runtime.osx-x64
ECOSYSTEM: ≥3.1.0 <3.1.6
NuGet Microsoft.NETCore.App.Runtime.rhel.6-x64
ECOSYSTEM: ≥3.1.0 <3.1.6
NuGet Microsoft.NETCore.App.Runtime.win-arm
ECOSYSTEM: ≥3.1.0 <3.1.6
NuGet Microsoft.NETCore.App.Runtime.win-arm64
ECOSYSTEM: ≥3.1.0 <3.1.6
NuGet Microsoft.NETCore.App.Runtime.win-x64
ECOSYSTEM: ≥3.1.0 <3.1.6
NuGet Microsoft.NETCore.App.Runtime.win-x86
ECOSYSTEM: ≥3.1.0 <3.1.6

CVSS Scoring

CVSS Score

7.5

CVSS Vector

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

References

ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2020-1147
WEB https://github.com/dotnet/announcements/issues/159
WEB https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1147
WEB https://www.exploitalert.com/view-details.html?id=35992
WEB http://packetstormsecurity.com/files/158694/SharePoint-DataSet-DataTable-Deserialization.html
WEB http://packetstormsecurity.com/files/158876/Microsoft-SharePoint-Server-2019-Remote-Code-Execution.html
WEB http://packetstormsecurity.com/files/163644/Microsoft-SharePoint-Server-2019-Remote-Code-Execution.html

Advisory provided by GitHub Security Advisory Database. Published: May 24, 2022, Modified: October 21, 2022

References

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1147
http://packetstormsecurity.com/files/158694/SharePoint-DataSet-DataTable-Deserialization.html
http://packetstormsecurity.com/files/158876/Microsoft-SharePoint-Server-2019-Remote-Code-Execution.html
https://www.exploitalert.com/view-details.html?id=35992
http://packetstormsecurity.com/files/163644/Microsoft-SharePoint-Server-2019-Remote-Code-Execution.html
Published: 2020-07-14T22:54:00.000Z
Last Modified: 2025-02-04T19:34:41.282Z
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