CVE-2020-1147
HIGH7.8⚠ KEVEPSS 93.4%.NET Framework, SharePoint Server, and Visual Studio Remote Code Execution Vulnerability
Published: 5/24/2022Modified: 10/22/2025Added to CISA KEV: 11/3/2021
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 (12)
- NuGet/Microsoft.NETCore.App>= 2.1.0, < 2.1.20
- NuGet/Microsoft.NETCore.App.Runtime.linux-arm>= 3.1.0, < 3.1.6
- NuGet/Microsoft.NETCore.App.Runtime.linux-arm64>= 3.1.0, < 3.1.6
- NuGet/Microsoft.NETCore.App.Runtime.linux-musl-arm64>= 3.1.0, < 3.1.6
- NuGet/Microsoft.NETCore.App.Runtime.linux-musl-x64>= 3.1.0, < 3.1.6
- NuGet/Microsoft.NETCore.App.Runtime.linux-x64>= 3.1.0, < 3.1.6
- NuGet/Microsoft.NETCore.App.Runtime.osx-x64>= 3.1.0, < 3.1.6
- NuGet/Microsoft.NETCore.App.Runtime.rhel.6-x64>= 3.1.0, < 3.1.6
- NuGet/Microsoft.NETCore.App.Runtime.win-arm>= 3.1.0, < 3.1.6
- NuGet/Microsoft.NETCore.App.Runtime.win-arm64>= 3.1.0, < 3.1.6
- NuGet/Microsoft.NETCore.App.Runtime.win-x64>= 3.1.0, < 3.1.6
- NuGet/Microsoft.NETCore.App.Runtime.win-x86>= 3.1.0, < 3.1.6
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.8 | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:H |
References (8)
- ADVISORYhttps://nvd.nist.gov/vuln/detail/CVE-2020-1147
- WEBhttp://packetstormsecurity.com/files/158694/SharePoint-DataSet-DataTable-Deserialization.html
- WEBhttp://packetstormsecurity.com/files/158876/Microsoft-SharePoint-Server-2019-Remote-Code-Execution.html
- WEBhttp://packetstormsecurity.com/files/163644/Microsoft-SharePoint-Server-2019-Remote-Code-Execution.html
- WEBhttps://github.com/dotnet/announcements/issues/159
- WEBhttps://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1147
- WEBhttps://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-1147
- WEBhttps://www.exploitalert.com/view-details.html?id=35992