CVE-2021-1721
Medium
Description
.NET Core and Visual Studio Denial of Service Vulnerability
SeverityMedium
CVSS6.5
Exploit probability—
Product
Microsoft .net
PublishedFeb 25, 2021
First seenFeb 25, 2021
How to fix
Update
- Microsoft.NETCore.App2.1.25 or later
- Microsoft.NETCore.App.Host.linux-arm3.1.12 or later
- Microsoft.NETCore.App.Host.linux-arm643.1.12 or later
- Microsoft.NETCore.App.Host.linux-musl-arm643.1.12 or later
- Microsoft.NETCore.App.Host.linux-musl-x643.1.12 or later
- Microsoft.NETCore.App.Host.linux-x643.1.12 or later
- Microsoft.NETCore.App.Host.osx-x643.1.12 or later
- Microsoft.NETCore.App.Host.rhel.6-x643.1.12 or later
- Microsoft.NETCore.App.Host.win-arm3.1.12 or later
- Microsoft.NETCore.App.Host.win-arm643.1.12 or later
- Microsoft.NETCore.App.Host.win-x643.1.12 or later
- Microsoft.NETCore.App.Host.win-x863.1.12 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| microsoft .net | 5.0 ≤ v ≤ 5.0.2 | — |
| microsoft .net_core | 2.1 ≤ v ≤ 2.1.24, 3.1 ≤ v ≤ 3.1.11 | — |
| microsoft powershell_core | 7.0, 7.1 | — |
| microsoft visual_studio_2017 | 15.0 ≤ v ≤ 15.9 | — |
| microsoft visual_studio_2019 | 16.0 ≤ v ≤ 16.8 | — |
| Microsoft.NETCore.AppNuGet | 2.1.0 ≤ v < 2.1.25 | 2.1.25 |
| Microsoft.NETCore.App.Host.linux-armNuGet | 3.1.0 ≤ v < 3.1.12 | 3.1.12 |
| Microsoft.NETCore.App.Host.linux-arm64NuGet | 3.1.0 ≤ v < 3.1.12 | 3.1.12 |
| Microsoft.NETCore.App.Host.linux-musl-arm64NuGet | 3.1.0 ≤ v < 3.1.12 | 3.1.12 |
| Microsoft.NETCore.App.Host.linux-musl-x64NuGet | 3.1.0 ≤ v < 3.1.12 | 3.1.12 |
| Microsoft.NETCore.App.Host.linux-x64NuGet | 3.1.0 ≤ v < 3.1.12 | 3.1.12 |
| Microsoft.NETCore.App.Host.osx-x64NuGet | 3.1.0 ≤ v < 3.1.12 | 3.1.12 |
| Microsoft.NETCore.App.Host.rhel.6-x64NuGet | 3.1.0 ≤ v < 3.1.12 | 3.1.12 |
| Microsoft.NETCore.App.Host.win-armNuGet | 3.1.0 ≤ v < 3.1.12 | 3.1.12 |
| Microsoft.NETCore.App.Host.win-arm64NuGet | 3.1.0 ≤ v < 3.1.12 | 3.1.12 |
| Microsoft.NETCore.App.Host.win-x64NuGet | 3.1.0 ≤ v < 3.1.12 | 3.1.12 |
| Microsoft.NETCore.App.Host.win-x86NuGet | 3.1.0 ≤ v < 3.1.12 | 3.1.12 |
| Microsoft.NETCore.App.Runtime.linux-armNuGet | 3.1.0 ≤ v < 3.1.12, 5.0.0 ≤ v < 5.0.3 | 3.1.12, 5.0.3 |
| Microsoft.NETCore.App.Runtime.linux-arm64NuGet | 3.1.0 ≤ v < 3.1.12, 5.0.0 ≤ v < 5.0.3 | 3.1.12, 5.0.3 |
| Microsoft.NETCore.App.Runtime.linux-musl-arm64NuGet | 3.1.0 ≤ v < 3.1.12, 5.0.0 ≤ v < 5.0.3 | 3.1.12, 5.0.3 |
| Microsoft.NETCore.App.Runtime.linux-musl-x64NuGet | 3.1.0 ≤ v < 3.1.12, 5.0.0 ≤ v < 5.0.3 | 3.1.12, 5.0.3 |
| Microsoft.NETCore.App.Runtime.linux-x64NuGet | 3.1.0 ≤ v < 3.1.12, 5.0.0 ≤ v < 5.0.3 | 3.1.12, 5.0.3 |
| Microsoft.NETCore.App.Runtime.osx-x64NuGet | 3.1.0 ≤ v < 3.1.12, 5.0.0 ≤ v < 5.0.3 | 3.1.12, 5.0.3 |
| Microsoft.NETCore.App.Runtime.rhel.6-x64NuGet | 3.1.0 ≤ v < 3.1.12 | 3.1.12 |
| Microsoft.NETCore.App.Runtime.win-armNuGet | 3.1.0 ≤ v < 3.1.12, 5.0.0 ≤ v < 5.0.3 | 3.1.12, 5.0.3 |
| Microsoft.NETCore.App.Runtime.win-arm64NuGet | 3.1.0 ≤ v < 3.1.12, 5.0.0 ≤ v < 5.0.3 | 3.1.12, 5.0.3 |
| Microsoft.NETCore.App.Runtime.win-x64NuGet | 3.1.0 ≤ v < 3.1.12, 5.0.0 ≤ v < 5.0.3 | 3.1.12, 5.0.3 |
| Microsoft.NETCore.App.Runtime.win-x86NuGet | 3.1.0 ≤ v < 3.1.12, 5.0.0 ≤ v < 5.0.3 | 3.1.12, 5.0.3 |
| Microsoft.NETCore.App.Runtime.Mono.LLVM.AOT.linux-arm64NuGet | 5.0.0 ≤ v < 5.0.3 | 5.0.3 |
| Microsoft.NETCore.App.Runtime.Mono.LLVM.AOT.linux-x64NuGet | 5.0.0 ≤ v < 5.0.3 | 5.0.3 |
| Microsoft.NETCore.App.Runtime.Mono.LLVM.AOT.osx-x64NuGet | 5.0.0 ≤ v < 5.0.3 | 5.0.3 |
| Microsoft.NETCore.App.Runtime.Mono.LLVM.linux-arm64NuGet | 5.0.0 ≤ v < 5.0.3 | 5.0.3 |
| Microsoft.NETCore.App.Runtime.Mono.LLVM.linux-x64NuGet | 5.0.0 ≤ v < 5.0.3 | 5.0.3 |
| Microsoft.NETCore.App.Runtime.Mono.LLVM.osx-x64NuGet | 5.0.0 ≤ v < 5.0.3 | 5.0.3 |
| Microsoft.NETCore.App.Runtime.Mono.linux-armNuGet | 5.0.0 ≤ v < 5.0.3 | 5.0.3 |
| Microsoft.NETCore.App.Runtime.Mono.linux-arm64NuGet | 5.0.0 ≤ v < 5.0.3 | 5.0.3 |
| Microsoft.NETCore.App.Runtime.Mono.linux-musl-x64NuGet | 5.0.0 ≤ v < 5.0.3 | 5.0.3 |
| Microsoft.NETCore.App.Runtime.Mono.linux-x64NuGet | 5.0.0 ≤ v < 5.0.3 | 5.0.3 |
| Microsoft.NETCore.App.Runtime.Mono.osx-x64NuGet | 5.0.0 ≤ v < 5.0.3 | 5.0.3 |
| Microsoft.NETCore.App.Runtime.android-armNuGet | 5.0.0 ≤ v < 5.0.3 | 5.0.3 |
| Microsoft.NETCore.App.Runtime.android-arm64NuGet | 5.0.0 ≤ v < 5.0.3 | 5.0.3 |
| Microsoft.NETCore.App.Runtime.android-x64NuGet | 5.0.0 ≤ v < 5.0.3 | 5.0.3 |
| Microsoft.NETCore.App.Runtime.android-x86NuGet | 5.0.0 ≤ v < 5.0.3 | 5.0.3 |
| Microsoft.NETCore.App.Runtime.browser-wasmNuGet | 5.0.0 ≤ v < 5.0.3 | 5.0.3 |
| Microsoft.NETCore.App.Runtime.ios-armNuGet | 5.0.0 ≤ v < 5.0.3 | 5.0.3 |
| Microsoft.NETCore.App.Runtime.ios-x64NuGet | 5.0.0 ≤ v < 5.0.3 | 5.0.3 |
| Microsoft.NETCore.App.Runtime.ios-x86NuGet | 5.0.0 ≤ v < 5.0.3 | 5.0.3 |
| Microsoft.NETCore.App.Runtime.linux-musl-armNuGet | 5.0.0 ≤ v < 5.0.3 | 5.0.3 |
| Microsoft.NETCore.App.Runtime.tvos-arm64NuGet | 5.0.0 ≤ v < 5.0.3 | 5.0.3 |
| Microsoft.NETCore.App.Runtime.tvos-x64NuGet | 5.0.0 ≤ v < 5.0.3 | 5.0.3 |
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