CVE-2020-1147
HighActively exploited (CISA KEV)
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'.
SeverityHigh
CVSS7.8
Exploit probability—
Product
Microsoft .NET Framework, SharePoint, Visual Studio
PublishedJul 14, 2020
First seenJul 14, 2020
Added to KEVNov 3, 2021
How to fix
CISA required action
Apply updates per vendor instructions.
CISA due date: May 3, 2022Update
- Microsoft.NETCore.App2.1.20 or later
- Microsoft.NETCore.App.Runtime.linux-arm3.1.6 or later
- Microsoft.NETCore.App.Runtime.linux-arm643.1.6 or later
- Microsoft.NETCore.App.Runtime.linux-musl-arm643.1.6 or later
- Microsoft.NETCore.App.Runtime.linux-musl-x643.1.6 or later
- Microsoft.NETCore.App.Runtime.linux-x643.1.6 or later
- Microsoft.NETCore.App.Runtime.osx-x643.1.6 or later
- Microsoft.NETCore.App.Runtime.rhel.6-x643.1.6 or later
- Microsoft.NETCore.App.Runtime.win-arm3.1.6 or later
- Microsoft.NETCore.App.Runtime.win-arm643.1.6 or later
- Microsoft.NETCore.App.Runtime.win-x643.1.6 or later
- Microsoft.NETCore.App.Runtime.win-x863.1.6 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| microsoft .net_core | 2.1, 3.1 | — |
| microsoft .net_framework | 2.0, 3.0, 3.5, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.6, 4.6.1, 4.8, 3.5.1, 4.5.2 | — |
| microsoft sharepoint_enterprise_server | 2013, 2016 | — |
| microsoft sharepoint_server | 2010, 2019 | — |
| microsoft visual_studio_2017 | 15.0 ≤ v ≤ 15.9 | — |
| microsoft visual_studio_2019 | 16.0 ≤ v ≤ 16.6 | — |
| Microsoft.NETCore.AppNuGet | 2.1.0 ≤ v < 2.1.20 | 2.1.20 |
| Microsoft.NETCore.App.Runtime.linux-armNuGet | 3.1.0 ≤ v < 3.1.6 | 3.1.6 |
| Microsoft.NETCore.App.Runtime.linux-arm64NuGet | 3.1.0 ≤ v < 3.1.6 | 3.1.6 |
| Microsoft.NETCore.App.Runtime.linux-musl-arm64NuGet | 3.1.0 ≤ v < 3.1.6 | 3.1.6 |
| Microsoft.NETCore.App.Runtime.linux-musl-x64NuGet | 3.1.0 ≤ v < 3.1.6 | 3.1.6 |
| Microsoft.NETCore.App.Runtime.linux-x64NuGet | 3.1.0 ≤ v < 3.1.6 | 3.1.6 |
| Microsoft.NETCore.App.Runtime.osx-x64NuGet | 3.1.0 ≤ v < 3.1.6 | 3.1.6 |
| Microsoft.NETCore.App.Runtime.rhel.6-x64NuGet | 3.1.0 ≤ v < 3.1.6 | 3.1.6 |
| Microsoft.NETCore.App.Runtime.win-armNuGet | 3.1.0 ≤ v < 3.1.6 | 3.1.6 |
| Microsoft.NETCore.App.Runtime.win-arm64NuGet | 3.1.0 ≤ v < 3.1.6 | 3.1.6 |
| Microsoft.NETCore.App.Runtime.win-x64NuGet | 3.1.0 ≤ v < 3.1.6 | 3.1.6 |
| Microsoft.NETCore.App.Runtime.win-x86NuGet | 3.1.0 ≤ v < 3.1.6 | 3.1.6 |
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