CVE-2023-21808: RCE in .NET/Visual Studio
CVE-2023-21808 Published on February 14, 2023

.NET and Visual Studio Remote Code Execution Vulnerability
.NET and Visual Studio Remote Code Execution Vulnerability

Github Repository Vendor Advisory NVD

Weakness Type

What is a Dangling pointer Vulnerability?

Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code.

CVE-2023-21808 has been classified to as a Dangling pointer vulnerability or weakness.

Products Associated with CVE-2023-21808

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Microsoft Net

Microsoft Visual Studio 2022

Microsoft Visual Studio 2019

Microsoft Visual Studio 2017

Microsoft Visual Studio

Affected Versions

Microsoft Visual Studio 2019 version 16.11 (includes 16.0 - 16.10):

Version 16.11.0 and below 16.11.24 is affected.

Microsoft Visual Studio 2022 version 17.0:

Version 17.0.0 and below 17.0.19 is affected.

Microsoft Visual Studio 2017 version 15.9 (includes 15.0 - 15.8):

Version 15.9.0 and below 15.9.52 is affected.

Microsoft Visual Studio 2022 version 17.4:

Version 17.4.0 and below 17.4.5 is affected.

Microsoft Visual Studio 2022 version 17.2:

Version 17.2.0 and below 17.2.13 is affected.

Microsoft Visual Studio 2015 Update 3:

Version 14.0.0 and below 14.0.27555.0 is affected.

Microsoft Visual Studio 2013 Update 5:

Version 12.0.0 and below 12.0.40700.0 is affected.

Microsoft .NET 7.0:

Version 7.0.0 and below 7.0.3 is affected.

Microsoft .NET 6.0:

Version 6.0.0 and below 6.0.14 is affected.

Microsoft PowerShell 7.2:

Version 7.2.0 and below 7.2.10 is affected.

Microsoft .NET Framework 3.5 AND 4.8:

Version 4.8.0 and below 10.0.04614.06 is affected.

Microsoft .NET Framework 3.5 AND 4.7.2:

Version 4.7.0 and below 10.0.04038.03 is affected.

Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2:

Version 4.7.0 and below 4.7.04614.08 is affected.

Microsoft .NET Framework 4.8:

Version 4.8.0 and below 4.8.04614.05 is affected.

Microsoft .NET Framework 3.5 AND 4.8.1:

Version 4.8.1 and below 10.0.09139.02 is affected.

Microsoft .NET Framework 4.6.2:

Version 4.7.0 and below 4.7.04038.06 is affected.

Microsoft .NET Framework 3.5 and 4.6.2:

Version 4.7.0 and below 10.0.10240.19747 is affected.

Vulnerable Packages

The following package name and versions may be associated with CVE-2023-21808

Package Manager	Vulnerable Package	Versions	Fixed In
nuget	Microsoft.NetCore.App.Runtime.win-arm	>= 6.0.0, <= 6.0.13	6.0.14
nuget	Microsoft.NetCore.App.Runtime.win-x86	>= 6.0.0, <= 6.0.13	6.0.14
nuget	Microsoft.NetCore.App.Runtime.win-x86	>= 7.0.0, <= 7.0.2	7.0.3
nuget	Microsoft.NetCore.App.Runtime.win-x64	>= 6.0.0, <= 6.0.13	6.0.14
nuget	Microsoft.NetCore.App.Runtime.win-x64	>= 7.0.0, <= 7.0.2	7.0.3
nuget	Microsoft.NetCore.App.Runtime.win-arm64	>= 6.0.0, <= 6.0.13	6.0.14
nuget	Microsoft.NetCore.App.Runtime.win-arm64	>= 7.0.0, <= 7.0.2	7.0.3
nuget	Microsoft.NetCore.App.Runtime.win-arm	>= 7.0.0, <= 7.0.2	7.0.3

Exploit Probability

EPSS

1.10%

Percentile

77.75%

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.