.NET Framework, SharePoint Server, and Visual Studio Remote Code Execution Vulnerability
CISA confirms exploitation of this vulnerability in real attacks. Prioritise checking whether your application is affected. CISA KEV · CC0 1.0
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 software
Click a technology to see all vulnerabilities affecting it.
| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| .NET (NuGet) | Microsoft.NETCore.App | >= 2.1.0, < 2.1.20 | 2.1.20 |
| .NET (NuGet) | Microsoft.NETCore.App.Runtime.linux-arm | >= 3.1.0, < 3.1.6 | 3.1.6 |
| .NET (NuGet) | Microsoft.NETCore.App.Runtime.linux-arm64 | >= 3.1.0, < 3.1.6 | 3.1.6 |
| .NET (NuGet) | Microsoft.NETCore.App.Runtime.linux-musl-arm64 | >= 3.1.0, < 3.1.6 | 3.1.6 |
| .NET (NuGet) | Microsoft.NETCore.App.Runtime.linux-musl-x64 | >= 3.1.0, < 3.1.6 | 3.1.6 |
| .NET (NuGet) | Microsoft.NETCore.App.Runtime.linux-x64 | >= 3.1.0, < 3.1.6 | 3.1.6 |
| .NET (NuGet) | Microsoft.NETCore.App.Runtime.osx-x64 | >= 3.1.0, < 3.1.6 | 3.1.6 |
| .NET (NuGet) | Microsoft.NETCore.App.Runtime.rhel.6-x64 | >= 3.1.0, < 3.1.6 | 3.1.6 |
| .NET (NuGet) | Microsoft.NETCore.App.Runtime.win-arm | >= 3.1.0, < 3.1.6 | 3.1.6 |
| .NET (NuGet) | Microsoft.NETCore.App.Runtime.win-arm64 | >= 3.1.0, < 3.1.6 | 3.1.6 |
| .NET (NuGet) | Microsoft.NETCore.App.Runtime.win-x64 | >= 3.1.0, < 3.1.6 | 3.1.6 |
| .NET (NuGet) | Microsoft.NETCore.App.Runtime.win-x86 | >= 3.1.0, < 3.1.6 | 3.1.6 |
References
- https://nvd.nist.gov/vuln/detail/CVE-2020-1147
- https://github.com/dotnet/announcements/issues/159
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1147
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-1147
- https://www.exploitalert.com/view-details.html?id=35992
- http://packetstormsecurity.com/files/158694/SharePoint-DataSet-DataTable-Deserialization.html
- http://packetstormsecurity.com/files/158876/Microsoft-SharePoint-Server-2019-Remote-Code-Execution.html
- http://packetstormsecurity.com/files/163644/Microsoft-SharePoint-Server-2019-Remote-Code-Execution.html
- CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:H- Weakness (CWE)
-- Platform
- .NET (NuGet)
- Package
Microsoft.NETCore.App, Microsoft.NETCore.App.Runtime.linux-arm, Microsoft.NETCore.App.Runtime.linux-arm64- Disclosed
- 24.05.2022
- Updated
- 11.10.2026 11:23
Sources and licenses
OSV / GitHub Advisory Database - GHSA-g5vf-38cp-4px9 - CC BY 4.0
Vulnerability history: Microsoft.NETCore.App
All published vulnerabilities of this package (.NET (NuGet)), newest first. Shows whether this is a one-off slip or a package that needs watching.
- Total entries
- 10
- First → latest
- 04.2022 10.2022
- Without a fix
- 0
- Exploited in attacks
- 1
Severity breakdown
- High 6
- Medium 4
Disclosures per year
- 2022: 10
- 2023: 0
- 2024: 0
- 2025: 0
- 2026: 0
-
.NET Framework, SharePoint Server, and Visual Studio Remote Code Execution Vulnerability this entry
Know which vulnerabilities affect your application
With the DockRay integration and software inventory enabled, DockRay checks reported component versions against known vulnerabilities and notifies you about confirmed matches. Coverage depends on the supported technology and available advisory data.