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High severity7.5NVD Advisory· Published May 21, 2020· Updated Aug 19, 2026

CVE-2020-1108

CVE-2020-1108

Description

A denial of service vulnerability exists when .NET Core or .NET Framework improperly handles web requests. An attacker who successfully exploited this vulnerability could cause a denial of service against a .NET Core or .NET Framework web application. The vulnerability can be exploited remotely, without authentication. A remote unauthenticated attacker could exploit this vulnerability by issuing specially crafted requests to the .NET Core or .NET Framework application. The update addresses the vulnerability by correcting how the .NET Core or .NET Framework web application handles web requests.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected packages

Versions sourced from the GitHub Security Advisory.

PackageAffected versionsPatched versions
Microsoft.NETCore.AppNuGet
>= 2.1.0, < 2.1.182.1.18
Microsoft.NETCore.App.Runtime.linux-armNuGet
>= 3.1.0, < 3.1.43.1.4
Microsoft.NETCore.App.Runtime.linux-arm64NuGet
>= 3.1.0, < 3.1.43.1.4
Microsoft.NETCore.App.Runtime.linux-musl-arm64NuGet
>= 3.1.0, < 3.1.43.1.4
Microsoft.NETCore.App.Runtime.linux-musl-x64NuGet
>= 3.1.0, < 3.1.43.1.4
Microsoft.NETCore.App.Runtime.linux-x64NuGet
>= 3.1.0, < 3.1.43.1.4
Microsoft.NETCore.App.Runtime.osx-x64NuGet
>= 3.1.0, < 3.1.43.1.4
Microsoft.NETCore.App.Runtime.rhel.6-x64NuGet
>= 3.1.0, < 3.1.43.1.4
Microsoft.NETCore.App.Runtime.win-armNuGet
>= 3.1.0, < 3.1.43.1.4
Microsoft.NETCore.App.Runtime.win-arm64NuGet
>= 3.1.0, < 3.1.43.1.4
Microsoft.NETCore.App.Runtime.win-x64NuGet
>= 3.1.0, < 3.1.43.1.4
Microsoft.NETCore.App.Runtime.win-x86NuGet
>= 3.1.0, < 3.1.43.1.4

Affected products

104
  • Microsoft/Net3 versions
    cpe:2.3:a:microsoft:.net:5.0:preview1:*:*:*:*:*:*+ 2 more
    • cpe:2.3:a:microsoft:.net:5.0:preview1:*:*:*:*:*:*
    • cpe:2.3:a:microsoft:.net:5.0:preview2:*:*:*:*:*:*
    • cpe:2.3:a:microsoft:.net:5.0:preview3:*:*:*:*:*:*
  • Microsoft/.net Core3 versions
    cpe:2.3:a:microsoft:.net_core:*:*:*:*:*:*:*:*+ 2 more
    • cpe:2.3:a:microsoft:.net_core:*:*:*:*:*:*:*:*range: >=2.1,<=2.1.18
    • cpe:2.3:a:microsoft:.net_core:2.1:*:*:*:*:*:*:*
    • cpe:2.3:a:microsoft:.net_core:3.1:*:*:*:*:*:*:*
  • Microsoft/.net Framework19 versions
    cpe:2.3:a:microsoft:.net_framework:2.0:sp2:*:*:*:*:*:*+ 18 more
    • cpe:2.3:a:microsoft:.net_framework:2.0:sp2:*:*:*:*:*:*
    • cpe:2.3:a:microsoft:.net_framework:3.0:sp2:*:*:*:*:*:*
    • cpe:2.3:a:microsoft:.net_framework:3.5.1:*:*:*:*:*:*:*
    • cpe:2.3:a:microsoft:.net_framework:3.5:*:*:*:*:*:*:*
    • cpe:2.3:a:microsoft:.net_framework:4.5.2:*:*:*:*:*:*:*
    • cpe:2.3:a:microsoft:.net_framework:4.6.1:*:*:*:*:*:*:*
    • cpe:2.3:a:microsoft:.net_framework:4.6.2:*:*:*:*:*:*:*
    • cpe:2.3:a:microsoft:.net_framework:4.6:*:*:*:*:*:*:*
    • cpe:2.3:a:microsoft:.net_framework:4.7.1:*:*:*:*:*:*:*
    • cpe:2.3:a:microsoft:.net_framework:4.7.2:*:*:*:*:*:*:*
    • cpe:2.3:a:microsoft:.net_framework:4.7:*:*:*:*:*:*:*
    • cpe:2.3:a:microsoft:.net_framework:4.8:*:*:*:*:*:*:*
    • (no CPE)range: Service Pack 2 on Windows Server 2008 for 32-bit Systems Service Pack 2
    • (no CPE)range: Service Pack 2 on Windows Server 2008 for 32-bit Systems Service Pack 2
    • (no CPE)range: Windows 8.1 for 32-bit systems
    • (no CPE)range: Windows 7 for 32-bit Systems Service Pack 1
    • (no CPE)range: Windows 7 for 32-bit Systems Service Pack 1
    • (no CPE)range: Windows Server 2008 for 32-bit Systems Service Pack 2
    • (no CPE)range: Windows 7 for 32-bit Systems Service Pack 1
  • Microsoft/Powershell3 versions
    cpe:2.3:a:microsoft:powershell:7.0:*:*:*:*:*:*:*+ 2 more
    • cpe:2.3:a:microsoft:powershell:7.0:*:*:*:*:*:*:*
    • (no CPE)range: unspecified
    • (no CPE)range: 6.2
  • Microsoft/Powershell Core
    cpe:2.3:a:microsoft:powershell_core:6.2:*:*:*:*:*:*:*
  • Microsoft/Visual Studio 2017
    cpe:2.3:a:microsoft:visual_studio_2017:15.9:*:*:*:*:*:*:*
  • Microsoft/Visual Studio3 versions
    cpe:2.3:a:microsoft:visual_studio_2019:16.0:*:*:*:*:*:*:*+ 2 more
    • cpe:2.3:a:microsoft:visual_studio_2019:16.0:*:*:*:*:*:*:*
    • cpe:2.3:a:microsoft:visual_studio_2019:16.4:*:*:*:*:*:*:*
    • cpe:2.3:a:microsoft:visual_studio_2019:16.5:*:*:*:*:*:*:*
  • osv-coords15 versions
    pkg:bitnami/dotnetpkg:bitnami/dotnet-sdkpkg:bitnami/powershellpkg:nuget/microsoft.netcore.apppkg:nuget/microsoft.netcore.app.runtime.linux-armpkg:nuget/microsoft.netcore.app.runtime.linux-arm64pkg:nuget/microsoft.netcore.app.runtime.linux-musl-arm64pkg:nuget/microsoft.netcore.app.runtime.linux-musl-x64pkg:nuget/microsoft.netcore.app.runtime.linux-x64pkg:nuget/microsoft.netcore.app.runtime.osx-x64pkg:nuget/microsoft.netcore.app.runtime.rhel.6-x64pkg:nuget/microsoft.netcore.app.runtime.win-armpkg:nuget/microsoft.netcore.app.runtime.win-arm64pkg:nuget/microsoft.netcore.app.runtime.win-x64pkg:nuget/microsoft.netcore.app.runtime.win-x86
    >= 5.0-preview1.0, <= 5.0-preview1.0+ 14 more
    • (no CPE)range: >= 5.0-preview1.0, <= 5.0-preview1.0
    • (no CPE)range: >= 5.0-preview1.0, <= 5.0-preview1.0
    • (no CPE)range: >= 7.0.0, <= 7.0.0
    • (no CPE)range: >= 2.1.0, < 2.1.18
    • (no CPE)range: >= 3.1.0, < 3.1.4
    • (no CPE)range: >= 3.1.0, < 3.1.4
    • (no CPE)range: >= 3.1.0, < 3.1.4
    • (no CPE)range: >= 3.1.0, < 3.1.4
    • (no CPE)range: >= 3.1.0, < 3.1.4
    • (no CPE)range: >= 3.1.0, < 3.1.4
    • (no CPE)range: >= 3.1.0, < 3.1.4
    • (no CPE)range: >= 3.1.0, < 3.1.4
    • (no CPE)range: >= 3.1.0, < 3.1.4
    • (no CPE)range: >= 3.1.0, < 3.1.4
    • (no CPE)range: >= 3.1.0, < 3.1.4
  • Microsoft/Aspnetcorecpe-rescue
    Range: 3.1
  • Microsoft/.NET Core 5.0v5
    Range: 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 Systemsv5
    Range: 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 Systemsv5
    Range: unspecified
  • Microsoft/Microsoft .NET Framework 3.5 AND 4.6.2/4.7/4.7.1/4.7.2 on Windows Server 2016v5
    Range: 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)v5
    Range: unspecified
  • Microsoft/Microsoft .NET Framework 3.5 AND 4.6/4.6.1/4.6.2 on Windows 10 for 32-bit Systemsv5
    Range: unspecified
  • Microsoft/Microsoft .NET Framework 3.5 AND 4.6/4.6.1/4.6.2 on Windows 10 for x64-based Systemsv5
    Range: unspecified
  • Microsoft/Microsoft .NET Framework 3.5 AND 4.7.1/4.7.2 on Windows 10 Version 1709 for 32-bit Systemsv5
    Range: unspecified
  • Microsoft/Microsoft .NET Framework 3.5 AND 4.7.1/4.7.2 on Windows 10 Version 1709 for ARM64-based Systemsv5
    Range: unspecified
  • Microsoft/Microsoft .NET Framework 3.5 AND 4.7.1/4.7.2 on Windows 10 Version 1709 for x64-based Systemsv5
    Range: unspecified
  • Microsoft/Microsoft .NET Framework 3.5 AND 4.7.2 on Windows 10 Version 1803 for 32-bit Systemsv5
    Range: unspecified
  • Microsoft/Microsoft .NET Framework 3.5 AND 4.7.2 on Windows 10 Version 1803 for ARM64-based Systemsv5
    Range: unspecified
  • Microsoft/Microsoft .NET Framework 3.5 AND 4.7.2 on Windows 10 Version 1803 for x64-based Systemsv5
    Range: unspecified
  • Microsoft/Microsoft .NET Framework 3.5 AND 4.7.2 on Windows 10 Version 1809 for 32-bit Systemsv5
    Range: unspecified
  • Microsoft/Microsoft .NET Framework 3.5 AND 4.7.2 on Windows 10 Version 1809 for ARM64-based Systemsv5
    Range: unspecified
  • Microsoft/Microsoft .NET Framework 3.5 AND 4.7.2 on Windows 10 Version 1809 for x64-based Systemsv5
    Range: unspecified
  • Microsoft/Microsoft .NET Framework 3.5 AND 4.7.2 on Windows Server 2019v5
    Range: unspecified
  • Microsoft/Microsoft .NET Framework 3.5 AND 4.7.2 on Windows Server 2019 (Server Core installation)v5
    Range: unspecified
  • Microsoft/Microsoft .NET Framework 3.5 AND 4.7.2 on Windows Server, version 1803 (Server Core Installation)v5
    Range: unspecified
  • Microsoft/Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 1809 for 32-bit Systemsv5
    Range: unspecified
  • Microsoft/Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 1809 for x64-based Systemsv5
    Range: unspecified
  • Microsoft/Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 1903 for 32-bit Systemsv5
    Range: unspecified
  • Microsoft/Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 1903 for ARM64-based Systemsv5
    Range: unspecified
  • Microsoft/Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 1903 for x64-based Systemsv5
    Range: unspecified
  • Microsoft/Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 1909 for 32-bit Systemsv5
    Range: unspecified
  • Microsoft/Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 1909 for ARM64-based Systemsv5
    Range: unspecified
  • Microsoft/Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 1909 for x64-based Systemsv5
    Range: unspecified
  • Microsoft/Microsoft .NET Framework 3.5 AND 4.8 on Windows Server 2019v5
    Range: unspecified
  • Microsoft/Microsoft .NET Framework 3.5 AND 4.8 on Windows Server 2019 (Server Core installation)v5
    Range: unspecified
  • Microsoft/Microsoft .NET Framework 3.5 AND 4.8 on Windows Server, version 1903 (Server Core installation)v5
    Range: 1903
  • Microsoft/Microsoft .NET Framework 3.5 AND 4.8 on Windows Server, version 1909 (Server Core installation)v5
    Range: unspecified
  • Microsoft/Microsoft .NET Framework 4.8 on Windows 10 Version 1607 for 32-bit Systemsv5
    Range: unspecified
  • Microsoft/Microsoft .NET Framework 4.8 on Windows 10 Version 1607 for x64-based Systemsv5
    Range: unspecified
  • Microsoft/Microsoft .NET Framework 4.8 on Windows 10 Version 1709 for 32-bit Systemsv5
    Range: unspecified
  • Microsoft/Microsoft .NET Framework 4.8 on Windows 10 Version 1709 for x64-based Systemsv5
    Range: unspecified
  • Microsoft/Microsoft .NET Framework 4.8 on Windows 10 Version 1803 for 32-bit Systemsv5
    Range: unspecified
  • Microsoft/Microsoft .NET Framework 4.8 on Windows 10 Version 1803 for x64-based Systemsv5
    Range: unspecified
  • Microsoft/Microsoft .NET Framework 4.8 on Windows 7 for 32-bit Systems Service Pack 1v5
    Range: unspecified
  • Microsoft/Microsoft .NET Framework 4.8 on Windows 7 for x64-based Systems Service Pack 1v5
    Range: unspecified
  • Microsoft/Microsoft .NET Framework 4.8 on Windows 8.1 for 32-bit systemsv5
    Range: unspecified
  • Microsoft/Microsoft .NET Framework 4.8 on Windows 8.1 for x64-based systemsv5
    Range: unspecified
  • Microsoft/Microsoft .NET Framework 4.8 on Windows RT 8.1v5
    Range: unspecified
  • Microsoft/Microsoft .NET Framework 4.8 on Windows Server 2008 R2 for x64-based Systems Service Pack 1v5
    Range: unspecified
  • Microsoft/Microsoft .NET Framework 4.8 on Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation)v5
    Range: unspecified
  • Microsoft/Microsoft .NET Framework 4.8 on Windows Server 2012v5
    Range: unspecified
  • Microsoft/Microsoft .NET Framework 4.8 on Windows Server 2012 (Server Core installation)v5
    Range: unspecified
  • Microsoft/Microsoft .NET Framework 4.8 on Windows Server 2012 R2v5
    Range: unspecified
  • Microsoft/Microsoft .NET Framework 4.8 on Windows Server 2012 R2 (Server Core installation)v5
    Range: unspecified
  • Microsoft/Microsoft .NET Framework 4.8 on Windows Server 2016v5
    Range: unspecified
  • Microsoft/Microsoft .NET Framework 4.8 on Windows Server 2016 (Server Core installation)v5
    Range: unspecified
  • Microsoft/Microsoft .NET Framework 4.8 on Windows Server, version 1803 (Server Core Installation)v5
    Range: unspecified
  • Microsoft/Microsoft Visual Studio 2017 version 15.9 (includes 15.1 - 15.8)v5
    Range: unspecified
  • Microsoft/Microsoft Visual Studio 2019v5
    Range: 16.0
  • Microsoft/Microsoft Visual Studio 2019 version 16.4 (includes 16.0 - 16.3)v5
    Range: unspecified
  • Microsoft/Microsoft Visual Studio 2019 version 16.5v5
    Range: unspecified

Patches

Vulnerability mechanics

References

5

News mentions

0

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