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.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
Microsoft .NET 5.0
5.0.0 to < publicationaffected
Microsoft .NET Core 2.1
2.1 to < publicationaffected
Microsoft .NET Core 3.1
3.1 to < publicationaffected
Microsoft Microsoft .NET Framework 2.0 Service Pack 2
2.0.0 to < publicationaffected
Microsoft Microsoft .NET Framework 3.0 Service Pack 2
3.0.0 to < publicationaffected
Microsoft Microsoft .NET Framework 3.5
3.5.0 to < publicationaffected
Microsoft Microsoft .NET Framework 3.5 AND 4.6.2/4.7/4.7.1/4.7.2
3.0.0.0 to < publicationaffected
Microsoft Microsoft .NET Framework 3.5 AND 4.6/4.6.1/4.6.2
3.5.0 to < publicationaffected
Microsoft Microsoft .NET Framework 3.5 AND 4.7.1/4.7.2
3.0 to < publicationaffected
Microsoft Microsoft .NET Framework 3.5 AND 4.7.2
4.7.0 to < publicationaffected
Microsoft Microsoft .NET Framework 3.5 AND 4.8
4.8.0 to < publicationaffected
Microsoft Microsoft .NET Framework 3.5.1
3.5.0 to < publicationaffected
Microsoft Microsoft .NET Framework 4.5.2
4.0.0.0 to < publicationaffected
Microsoft Microsoft .NET Framework 4.6
4.0.0.0 to < publicationaffected
Microsoft Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2
4.0.0.0 to < publicationaffected
Microsoft Microsoft .NET Framework 4.8
4.8.0 to < publicationaffected
Microsoft Microsoft Visual Studio 2017 version 15.9 (includes 15.0 - 15.8)
15.9.0 to < publicationaffected
Microsoft Microsoft Visual Studio 2019 version 16.0
16.0 to < publicationaffected
Microsoft Microsoft Visual Studio 2019 version 16.4 (includes 16.0 - 16.3)
16.0 to < publicationaffected
Microsoft Microsoft Visual Studio 2019 version 16.5
16.0 to < publicationaffected
Microsoft PowerShell 7.0
7.0.0 to < publicationaffected
Microsoft PowerShell Core 6.2
6.0 to < publicationaffected