Open-Source Security Intelligence

Know every vulnerability
before it knows you.

DevGuard continuously monitors your dependencies and alerts you when CVEs like this one affect your stack — with real-time threat intelligence built for developers.

Checkout DevGuardView on GitHub
Search

GHSA-vh55-786g-wjwj

MediumCVSS 5.9 / 10
Published Feb 3, 2024·Last modified Sep 4, 2025
Affected Components(0)

No affected components available

Description

Microsoft is releasing this security advisory to provide information about a vulnerability in .NET Core 3.1 and .NET 6.0. This advisory also provides guidance on what developers can do to update their applications to remove this vulnerability.

An information disclosure vulnerability exists in .NET Core 3.1 and .NET 6.0 that could lead to unauthorized access of privileged information.

<a name="affected-software"></a>Affected software

  • Any .NET 6.0 application running on .NET 6.0.7 or earlier.
  • Any .NET Core 3.1 applicaiton running on .NET Core 3.1.27 or earlier.

If your application uses the following package versions, ensure you update to the latest version of .NET.

<a name=".NET Core 3.1"></a>.NET Core 3.1

Package name | Affected version | Patched version ------------ | ---------------- | ------------------------- System.Security.Cryptography.Xml| <=4.7.0| 4.7.1 Microsoft.AspNetCore.App.Runtime.win-x64| >=3.1.0, 3.1.27| 3.1.28 Microsoft.AspNetCore.App.Runtime.linux-x64| >=3.1.0, 3.1.27| 3.1.28 Microsoft.AspNetCore.App.Runtime.win-x86| >=3.1.0, 3.1.27| 3.1.28 Microsoft.AspNetCore.App.Runtime.osx-x64| >=3.1.0, 3.1.27| 3.1.28 Microsoft.AspNetCore.App.Runtime.linux-musl-x64| >=3.1.0, 3.1.27| 3.1.28 Microsoft.AspNetCore.App.Runtime.linux-arm64| >=3.1.0, 3.1.27| 3.1.28 Microsoft.AspNetCore.App.Runtime.linux-arm| >=3.1.0, 3.1.27| 3.1.28 Microsoft.AspNetCore.App.Runtime.win-arm64| >=3.1.0, 3.1.27| 3.1.28 Microsoft.AspNetCore.App.Runtime.win-arm| >=3.1.0, 3.1.27| 3.1.28 Microsoft.AspNetCore.App.Runtime.linux-musl-arm64| >=3.1.0, 3.1.27| 3.1.28 Microsoft.AspNetCore.App.Runtime.linux-musl-arm| >=3.1.0, 3.1.27| 3.1.28

<a name=".NET 6"></a>.NET 6

Package name | Affected version | Patched version ------------ | ---------------- | ------------------------- System.Security.Cryptography.Xml| >=5.0.0, 6.0.0| 6.0.1 Microsoft.AspNetCore.App.Runtime.win-x64| >=6.0.0, 6.0.7| 6.0.8 Microsoft.AspNetCore.App.Runtime.linux-x64| >=6.0.0, 6.0.7| 6.0.8 Microsoft.AspNetCore.App.Runtime.win-x86| >=6.0.0, 6.0.7| 6.0.8 Microsoft.AspNetCore.App.Runtime.osx-x64| >=6.0.0, 6.0.7| 6.0.8 Microsoft.AspNetCore.App.Runtime.linux-musl-x64| >=6.0.0, 6.0.7| 6.0.8 Microsoft.AspNetCore.App.Runtime.linux-arm64| >=6.0.0, 6.0.7| 6.0.8 Microsoft.AspNetCore.App.Runtime.linux-arm| >=6.0.0, 6.0.7| 6.0.8 Microsoft.AspNetCore.App.Runtime.win-arm64| >=6.0.0, 6.0.7| 6.0.8 Microsoft.AspNetCore.App.Runtime.win-arm| >=6.0.0, 6.0.7| 6.0.8 Microsoft.AspNetCore.App.Runtime.osx-arm64| >=6.0.0, 6.0.7| 6.0.8 Microsoft.AspNetCore.App.Runtime.linux-musl-arm64| >=6.0.0, 6.0.7| 6.0.8 Microsoft.AspNetCore.App.Runtime.linux-musl-arm| >=6.0.0, 6.0.7| 6.0.8

Patches

  • If you're using .NET 6.0, you should download and install Runtime 6.0.8 or SDK 6.0.108 (for Visual Studio 2022 v17.1) from https://dotnet.microsoft.com/download/dotnet-core/6.0.
  • If you're using .NET Core 3.1, you should download and install Runtime 3.1.28 (for Visual Studio 2019 v16.9) from https://dotnet.microsoft.com/download/dotnet-core/3.1.

Other

Announcement for this issue can be found at https://github.com/dotnet/announcements/issues/232 An Issue for this can be found at https://github.com/dotnet/aspnetcore/issues/43166 MSRC details for this can be found at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-34716

Risk Scores
Base Score
5.9

The vulnerability can be exploited over the network without needing physical access. It is difficult for an attacker to exploit this vulnerability and may require special conditions. An attacker does not need any special privileges or access rights. No user interaction is needed for the attacker to exploit this vulnerability. The impact is confined to the system where the vulnerability exists. There is a high impact on the confidentiality of the information.

Threat Intelligence
5.4

Exploitation attempts have been detected. Elevated vigilance and prompt remediation are advised.

EPSS
1.96%

The exploit probability is very low. The vulnerability is unlikely to be exploited in the next 30 days.

Exploit
Not available

We did not find any exploit available. Neither in GitHub repositories nor in the Exploit-Database.

Browse More

Medium severity
Scan your project

Continuously monitor your dependencies and get alerted when vulnerabilities like this one affect your stack.

Checkout DevGuard