Jun 2021: ASP.NET Core Denial of Service Vulnerability
CVE-2021-31957 Published on June 8, 2021

ASP.NET Core Denial of Service Vulnerability
ASP.NET Core Denial of Service Vulnerability

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Weakness Type

What is a Resource Exhaustion Vulnerability?

The software does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources.

CVE-2021-31957 has been classified to as a Resource Exhaustion vulnerability or weakness.

Products Associated with CVE-2021-31957

You can be notified by email with stack.watch whenever vulnerabilities like CVE-2021-31957 are published in these products:

Microsoft Net

Microsoft .NET Core

Microsoft Visual Studio 2019

Fedora Project Fedora

Affected Versions

Microsoft Visual Studio 2019 version 16.4 (includes 16.0 - 16.3):

Version 16.0 and below 16.4.23 is affected.

Microsoft Visual Studio 2019 version 16.7 (includes 16.0 – 16.6):

Version 16.0.0 and below 16.7.16 is affected.

Microsoft Visual Studio 2019 version 16.9 (includes 16.0 - 16.8):

Version 15.0.0 and below 16.9.7 is affected.

Microsoft Visual Studio 2019 version 16.10 (includes 16.0 - 16.9):

Version 16.10.0 and below 16.10.1 is affected.

Microsoft Visual Studio 2019 for Mac version 8.10:

Version 8.1.0 and below 8.10.1 is affected.

Microsoft .NET Core 3.1:

Version 3.1 and below 3.1.16 is affected.

Microsoft .NET 5.0:

Version 5.0.0 and below 5.0.7 is affected.

Vulnerable Packages

The following package name and versions may be associated with CVE-2021-31957

Package Manager	Vulnerable Package	Versions	Fixed In
nuget	Microsoft.NETCore.App.Ref	< 3.1.16	3.1.16
nuget	Microsoft.NETCore.App.Ref	>= 5.0.0, < 5.0.7	5.0.7

Exploit Probability

EPSS

5.14%

Percentile

92.21%

EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.