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.
CVSS breakdown
CVSS 3.1
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
Affected products
- microsoft / Microsoft .NET Framework 2.0Service Pack 2 on Windows Server 2008 for 32-bit Systems Service Pack 2 – Service Pack 2 on Windows Server 2008 for 32-bit Systems Service Pack 2
- microsoft / Microsoft .NET Framework 2.0Service Pack 2 on Windows Server 2008 for x64-based Systems Service Pack 2 – Service Pack 2 on Windows Server 2008 for x64-based Systems Service Pack 2
- microsoft / Microsoft .NET Framework 2.0 Service Pack 22.0.0 – publication
- microsoft / Microsoft .NET Framework 3.0Service Pack 2 on Windows Server 2008 for x64-based Systems Service Pack 2 – Service Pack 2 on Windows Server 2008 for x64-based Systems Service Pack 2
- microsoft / Microsoft .NET Framework 3.0Service Pack 2 on Windows Server 2008 for 32-bit Systems Service Pack 2 – Service Pack 2 on Windows Server 2008 for 32-bit Systems Service Pack 2
- microsoft / Microsoft .NET Framework 3.0 Service Pack 23.0.0 – publication
- microsoft / Microsoft .NET Framework 3.5Windows Server 2012 – Windows Server 2012
- microsoft / Microsoft .NET Framework 3.5Windows 8.1 for x64-based systems – Windows 8.1 for x64-based systems
- microsoft / Microsoft .NET Framework 3.53.5.0 – publication
- microsoft / Microsoft .NET Framework 3.5Windows Server 2012 R2 – Windows Server 2012 R2
- microsoft / Microsoft .NET Framework 3.5Windows 8.1 for 32-bit systems – Windows 8.1 for 32-bit systems
- microsoft / Microsoft .NET Framework 3.5Windows Server 2012 (Server Core installation) – Windows Server 2012 (Server Core installation)
- microsoft / Microsoft .NET Framework 3.5Windows Server 2012 R2 (Server Core installation) – Windows Server 2012 R2 (Server Core installation)
- microsoft / Microsoft .NET Framework 3.5.1Windows Server 2008 R2 for x64-based Systems Service Pack 1 – Windows Server 2008 R2 for x64-based Systems Service Pack 1
- microsoft / Microsoft .NET Framework 3.5.13.5.0 – publication
- microsoft / Microsoft .NET Framework 3.5.1Windows 7 for 32-bit Systems Service Pack 1 – Windows 7 for 32-bit Systems Service Pack 1
- microsoft / Microsoft .NET Framework 3.5.1Windows 7 for x64-based Systems Service Pack 1 – Windows 7 for x64-based Systems Service Pack 1
- microsoft / Microsoft .NET Framework 3.5 AND 4.6.2/4.7/4.7.1/4.7.23.0.0.0 – publication
- 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 Systemsunspecified – 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 Systemsunspecified – unspecified
- microsoft / Microsoft .NET Framework 3.5 AND 4.6.2/4.7/4.7.1/4.7.2 on Windows Server 2016unspecified – 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)unspecified – unspecified
- microsoft / Microsoft .NET Framework 3.5 AND 4.6/4.6.1/4.6.23.5.0 – publication
- microsoft / Microsoft .NET Framework 3.5 AND 4.6/4.6.1/4.6.2 on Windows 10 for 32-bit Systemsunspecified – unspecified
- microsoft / Microsoft .NET Framework 3.5 AND 4.6/4.6.1/4.6.2 on Windows 10 for x64-based Systemsunspecified – unspecified
- microsoft / Microsoft .NET Framework 3.5 AND 4.7.1/4.7.23.0 – publication
- microsoft / Microsoft .NET Framework 3.5 AND 4.7.1/4.7.2 on Windows 10 Version 1709 for 32-bit Systemsunspecified – unspecified
- microsoft / Microsoft .NET Framework 3.5 AND 4.7.1/4.7.2 on Windows 10 Version 1709 for ARM64-based Systemsunspecified – unspecified
- microsoft / Microsoft .NET Framework 3.5 AND 4.7.1/4.7.2 on Windows 10 Version 1709 for x64-based Systemsunspecified – unspecified
- microsoft / Microsoft .NET Framework 3.5 AND 4.7.24.7.0 – publication
- microsoft / Microsoft .NET Framework 3.5 AND 4.7.2 on Windows 10 Version 1803 for 32-bit Systemsunspecified – unspecified
- microsoft / Microsoft .NET Framework 3.5 AND 4.7.2 on Windows 10 Version 1803 for ARM64-based Systemsunspecified – unspecified
- microsoft / Microsoft .NET Framework 3.5 AND 4.7.2 on Windows 10 Version 1803 for x64-based Systemsunspecified – unspecified
- microsoft / Microsoft .NET Framework 3.5 AND 4.7.2 on Windows 10 Version 1809 for 32-bit Systemsunspecified – unspecified
- microsoft / Microsoft .NET Framework 3.5 AND 4.7.2 on Windows 10 Version 1809 for ARM64-based Systemsunspecified – unspecified
- microsoft / Microsoft .NET Framework 3.5 AND 4.7.2 on Windows 10 Version 1809 for x64-based Systemsunspecified – unspecified
- microsoft / Microsoft .NET Framework 3.5 AND 4.7.2 on Windows Server 2019unspecified – unspecified
- microsoft / Microsoft .NET Framework 3.5 AND 4.7.2 on Windows Server 2019 (Server Core installation)unspecified – unspecified
- microsoft / Microsoft .NET Framework 3.5 AND 4.7.2 on Windows Server, version 1803 (Server Core Installation)unspecified – unspecified
- microsoft / Microsoft .NET Framework 3.5 AND 4.84.8.0 – publication
- microsoft / Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 1809 for 32-bit Systemsunspecified – unspecified
- microsoft / Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 1809 for x64-based Systemsunspecified – unspecified
- microsoft / Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 1903 for 32-bit Systemsunspecified – unspecified
- microsoft / Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 1903 for ARM64-based Systemsunspecified – unspecified
- microsoft / Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 1903 for x64-based Systemsunspecified – unspecified
- microsoft / Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 1909 for 32-bit Systemsunspecified – unspecified
- microsoft / Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 1909 for ARM64-based Systemsunspecified – unspecified
- microsoft / Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 1909 for x64-based Systemsunspecified – unspecified
- microsoft / Microsoft .NET Framework 3.5 AND 4.8 on Windows Server 2019unspecified – unspecified
- microsoft / Microsoft .NET Framework 3.5 AND 4.8 on Windows Server 2019 (Server Core installation)unspecified – unspecified
- microsoft / Microsoft .NET Framework 3.5 AND 4.8 on Windows Server, version 1903 (Server Core installation)1903 – 1903
- microsoft / Microsoft .NET Framework 3.5 AND 4.8 on Windows Server, version 1909 (Server Core installation)unspecified – unspecified
- microsoft / Microsoft .NET Framework 4.5.2Windows Server 2008 for 32-bit Systems Service Pack 2 – Windows Server 2008 for 32-bit Systems Service Pack 2
- microsoft / Microsoft .NET Framework 4.5.2Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) – Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation)
- microsoft / Microsoft .NET Framework 4.5.24.0.0.0 – publication
- microsoft / Microsoft .NET Framework 4.5.2Windows Server 2012 R2 (Server Core installation) – Windows Server 2012 R2 (Server Core installation)
- microsoft / Microsoft .NET Framework 4.5.2Windows Server 2012 R2 – Windows Server 2012 R2
- microsoft / Microsoft .NET Framework 4.5.2Windows Server 2008 for x64-based Systems Service Pack 2 – Windows Server 2008 for x64-based Systems Service Pack 2
- microsoft / Microsoft .NET Framework 4.5.2Windows Server 2008 R2 for x64-based Systems Service Pack 1 – Windows Server 2008 R2 for x64-based Systems Service Pack 1
- microsoft / Microsoft .NET Framework 4.5.2Windows Server 2012 – Windows Server 2012
- microsoft / Microsoft .NET Framework 4.5.2Windows RT 8.1 – Windows RT 8.1
- microsoft / Microsoft .NET Framework 4.5.2Windows 7 for x64-based Systems Service Pack 1 – Windows 7 for x64-based Systems Service Pack 1
- microsoft / Microsoft .NET Framework 4.5.2Windows 7 for 32-bit Systems Service Pack 1 – Windows 7 for 32-bit Systems Service Pack 1
- microsoft / Microsoft .NET Framework 4.5.2Windows 8.1 for 32-bit systems – Windows 8.1 for 32-bit systems
- microsoft / Microsoft .NET Framework 4.5.2Windows Server 2012 (Server Core installation) – Windows Server 2012 (Server Core installation)
- microsoft / Microsoft .NET Framework 4.5.2Windows 8.1 for x64-based systems – Windows 8.1 for x64-based systems
- microsoft / Microsoft .NET Framework 4.64.0.0.0 – publication
- microsoft / Microsoft .NET Framework 4.6Windows Server 2008 for 32-bit Systems Service Pack 2 – Windows Server 2008 for 32-bit Systems Service Pack 2
- microsoft / Microsoft .NET Framework 4.6Windows Server 2008 for x64-based Systems Service Pack 2 – Windows Server 2008 for x64-based Systems Service Pack 2
- microsoft / Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2Windows RT 8.1 – Windows RT 8.1
- microsoft / Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2Windows Server 2012 R2 (Server Core installation) – Windows Server 2012 R2 (Server Core installation)
- microsoft / Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2Windows Server 2012 R2 – Windows Server 2012 R2
- microsoft / Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2Windows Server 2012 (Server Core installation) – Windows Server 2012 (Server Core installation)
- microsoft / Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2Windows Server 2012 – Windows Server 2012
- microsoft / Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) – Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation)
- microsoft / Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2Windows Server 2008 R2 for x64-based Systems Service Pack 1 – Windows Server 2008 R2 for x64-based Systems Service Pack 1
- microsoft / Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2Windows 8.1 for x64-based systems – Windows 8.1 for x64-based systems
- microsoft / Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2Windows 8.1 for 32-bit systems – Windows 8.1 for 32-bit systems
- microsoft / Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2Windows 7 for x64-based Systems Service Pack 1 – Windows 7 for x64-based Systems Service Pack 1
- microsoft / Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2Windows 7 for 32-bit Systems Service Pack 1 – Windows 7 for 32-bit Systems Service Pack 1
- microsoft / Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.24.0.0.0 – publication
- microsoft / Microsoft .NET Framework 4.84.8.0 – publication
- microsoft / Microsoft .NET Framework 4.8 on Windows 10 Version 1607 for 32-bit Systemsunspecified – unspecified
- microsoft / Microsoft .NET Framework 4.8 on Windows 10 Version 1607 for x64-based Systemsunspecified – unspecified
- microsoft / Microsoft .NET Framework 4.8 on Windows 10 Version 1709 for 32-bit Systemsunspecified – unspecified
- microsoft / Microsoft .NET Framework 4.8 on Windows 10 Version 1709 for x64-based Systemsunspecified – unspecified
- microsoft / Microsoft .NET Framework 4.8 on Windows 10 Version 1803 for 32-bit Systemsunspecified – unspecified
- microsoft / Microsoft .NET Framework 4.8 on Windows 10 Version 1803 for x64-based Systemsunspecified – unspecified
- microsoft / Microsoft .NET Framework 4.8 on Windows 7 for 32-bit Systems Service Pack 1unspecified – unspecified
- microsoft / Microsoft .NET Framework 4.8 on Windows 7 for x64-based Systems Service Pack 1unspecified – unspecified
- microsoft / Microsoft .NET Framework 4.8 on Windows 8.1 for 32-bit systemsunspecified – unspecified
- microsoft / Microsoft .NET Framework 4.8 on Windows 8.1 for x64-based systemsunspecified – unspecified
- microsoft / Microsoft .NET Framework 4.8 on Windows RT 8.1unspecified – unspecified
- microsoft / Microsoft .NET Framework 4.8 on Windows Server 2008 R2 for x64-based Systems Service Pack 1unspecified – unspecified
- microsoft / Microsoft .NET Framework 4.8 on Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation)unspecified – unspecified
- microsoft / Microsoft .NET Framework 4.8 on Windows Server 2012unspecified – unspecified
- microsoft / Microsoft .NET Framework 4.8 on Windows Server 2012 R2unspecified – unspecified
- microsoft / Microsoft .NET Framework 4.8 on Windows Server 2012 R2 (Server Core installation)unspecified – unspecified
- microsoft / Microsoft .NET Framework 4.8 on Windows Server 2012 (Server Core installation)unspecified – unspecified
- microsoft / Microsoft .NET Framework 4.8 on Windows Server 2016unspecified – unspecified
- microsoft / Microsoft .NET Framework 4.8 on Windows Server 2016 (Server Core installation)unspecified – unspecified
- microsoft / Microsoft .NET Framework 4.8 on Windows Server, version 1803 (Server Core Installation)unspecified – unspecified
- microsoft / Microsoft Visual Studio 2017 version 15.9 (includes 15.0 - 15.8)15.9.0 – publication
- microsoft / Microsoft Visual Studio 2017 version 15.9 (includes 15.1 - 15.8)unspecified – unspecified
- microsoft / Microsoft Visual Studio 201916.0 – 16.0
- microsoft / Microsoft Visual Studio 2019 version 16.016.0 – publication
- microsoft / Microsoft Visual Studio 2019 version 16.4 (includes 16.0 - 16.3)16.0 – publication
- microsoft / Microsoft Visual Studio 2019 version 16.4 (includes 16.0 - 16.3)unspecified – unspecified
- microsoft / Microsoft Visual Studio 2019 version 16.5unspecified – unspecified
- microsoft / Microsoft Visual Studio 2019 version 16.516.0 – publication
- microsoft / .net5.0 – 5.0
- microsoft / .net5.0 – 5.0
- microsoft / .net5.0 – 5.0
- microsoft / .NET 5.05.0.0 – publication
- microsoft / .net_core3.1 – 3.1
- microsoft / .net_core2.1 – 2.1
- microsoft / .net_core2.1 – 2.1.18
- microsoft / .net_core2.1 – 2.1
- microsoft / .net_core3.1 – 3.1
- microsoft / .NET Core 2.12.1 – publication
- microsoft / .NET Core 3.13.1 – publication
- microsoft / .NET Core 5.0unspecified – unspecified
- microsoft / .net_framework4.8 – 4.8
- microsoft / .net_framework3.5.1 – 3.5.1
- microsoft / .net_framework2.0 – 2.0
- microsoft / .net_framework3.0 – 3.0
- microsoft / .net_framework4.6 – 4.6
- microsoft / .net_framework3.5 – 3.5
- microsoft / .net_framework4.5.2 – 4.5.2
- microsoft / .net_framework4.6.1 – 4.6.1
- microsoft / .net_framework4.6.2 – 4.6.2
- microsoft / .net_framework4.7 – 4.7
- microsoft / .net_framework4.7.1 – 4.7.1
- microsoft / .net_framework4.7.2 – 4.7.2
- microsoft / powershell7.0 – 7.0
- microsoft / PowerShell 7.07.0.0 – publication
- microsoft / PowerShell 7.0unspecified – unspecified
- microsoft / powershell_core6.2 – 6.2
- microsoft / powershell_core6.2 – 6.2
- microsoft / PowerShell Core 6.26.0 – publication
- microsoft / visual_studio_201715.9 – 15.9
- microsoft / visual_studio_201916.4 – 16.4
- microsoft / visual_studio_201916.0 – 16.0
- microsoft / visual_studio_201916.5 – 16.5
References
Updated 6m ago · 8 sources