# CVE-2023-33170: Microsoft Security Advisory : .NET Security Feature Bypass Vulnerability

Source: https://junglewise.ai/threats/cve-2023-33170-microsoft-security-advisory-net-security-feature-bypass  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2023-07-11  
License: CC BY 4.0 with a link back

CVE-2023-33170 · Severity: low · CVSS 3.1 · Published 2023-07-11

Microsoft Security Advisory CVE-2023-33170: .NET Security Feature Bypass Vulnerability

Technologies: [Microsoft.AspNetCore.App.Runtime.linux-arm (NuGet)](https://junglewise.ai/threats/technologies/microsoft-aspnetcore-app-runtime-linux-arm), [Microsoft.AspNetCore.App.Runtime.linux-arm64 (NuGet)](https://junglewise.ai/threats/technologies/microsoft-aspnetcore-app-runtime-linux-arm64), [Microsoft.AspNetCore.App.Runtime.linux-musl-arm (NuGet)](https://junglewise.ai/threats/technologies/microsoft-aspnetcore-app-runtime-linux-musl-arm), [Microsoft.AspNetCore.App.Runtime.linux-musl-arm64 (NuGet)](https://junglewise.ai/threats/technologies/microsoft-aspnetcore-app-runtime-linux-musl-arm64), [Microsoft.AspNetCore.App.Runtime.linux-musl-x64 (NuGet)](https://junglewise.ai/threats/technologies/microsoft-aspnetcore-app-runtime-linux-musl-x64), [Microsoft.AspNetCore.App.Runtime.linux-x64 (NuGet)](https://junglewise.ai/threats/technologies/microsoft-aspnetcore-app-runtime-linux-x64), [Microsoft.AspNetCore.App.Runtime.osx-arm64 (NuGet)](https://junglewise.ai/threats/technologies/microsoft-aspnetcore-app-runtime-osx-arm64), [Microsoft.AspNetCore.App.Runtime.osx-x64 (NuGet)](https://junglewise.ai/threats/technologies/microsoft-aspnetcore-app-runtime-osx-x64), [Microsoft.AspNetCore.App.Runtime.win-arm (NuGet)](https://junglewise.ai/threats/technologies/microsoft-aspnetcore-app-runtime-win-arm), [Microsoft.AspNetCore.App.Runtime.win-arm64 (NuGet)](https://junglewise.ai/threats/technologies/microsoft-aspnetcore-app-runtime-win-arm64), [Microsoft.AspNetCore.App.Runtime.win-x64 (NuGet)](https://junglewise.ai/threats/technologies/microsoft-aspnetcore-app-runtime-win-x64), [Microsoft.AspNetCore.App.Runtime.win-x86 (NuGet)](https://junglewise.ai/threats/technologies/microsoft-aspnetcore-app-runtime-win-x86), [Microsoft.AspNetCore.Identity (NuGet)](https://junglewise.ai/threats/technologies/microsoft-aspnetcore-identity). Vendors: [NuGet](https://junglewise.ai/threats/vendors/nuget).

## Quick answers

**Is CVE-2023-33170 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2023-33170 being exploited in the wild.

**How severe is CVE-2023-33170?** Low severity, with a CVSS score of 3.1, published 11 July 2023.

**Which products and versions are affected?** Microsoft.AspNet.Identity.Owin (NuGet) ECOSYSTEM:introduced=0,fixed=2.2.4; Microsoft.AspNetCore.App.Runtime.linux-arm (NuGet) ECOSYSTEM:introduced=0,fixed=6.0.20; Microsoft.AspNetCore.App.Runtime.linux-arm64 (NuGet) ECOSYSTEM:introduced=0,fixed=6.0.20; Microsoft.AspNetCore.App.Runtime.linux-musl-arm (NuGet) ECOSYSTEM:introduced=0,fixed=6.0.20; and 10 more.

**Is there a fix for CVE-2023-33170?** Yes. Microsoft.AspNet.Identity.Owin (NuGet): upgrade to 2.2.4 or later; Microsoft.AspNetCore.App.Runtime.linux-arm (NuGet): upgrade to 6.0.20 or later; Microsoft.AspNetCore.App.Runtime.linux-arm64 (NuGet): upgrade to 6.0.20 or later; Microsoft.AspNetCore.App.Runtime.linux-musl-arm (NuGet): upgrade to 6.0.20 or later; Microsoft.AspNetCore.App.Runtime.linux-musl-arm64 (NuGet): upgrade to 6.0.20 or later; Microsoft.AspNetCore.App.Runtime.linux-musl-x64 (NuGet): upgrade to 7.0.9 or later; Microsoft.AspNetCore.App.Runtime.linux-x64 (NuGet): upgrade to 6.0.20 or later; Microsoft.AspNetCore.App.Runtime.osx-arm64 (NuGet): upgrade to 7.0.9 or later; Microsoft.AspNetCore.App.Runtime.osx-x64 (NuGet): upgrade to 6.0.20 or later; Microsoft.AspNetCore.App.Runtime.win-arm (NuGet): upgrade to 6.0.20 or later; Microsoft.AspNetCore.App.Runtime.win-arm64 (NuGet): upgrade to 6.0.20 or later; Microsoft.AspNetCore.App.Runtime.win-x64 (NuGet): upgrade to 6.0.20 or later; Microsoft.AspNetCore.App.Runtime.win-x86 (NuGet): upgrade to 6.0.20 or later; Microsoft.AspNetCore.Identity (NuGet): upgrade to 2.1.39 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**Am I affected by CVE-2023-33170?** Check whether you run Microsoft.AspNet.Identity.Owin (NuGet), Microsoft.AspNetCore.App.Runtime.linux-arm (NuGet), Microsoft.AspNetCore.App.Runtime.linux-arm64 (NuGet) or one of the others listed at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## How to fix

- Microsoft.AspNet.Identity.Owin (NuGet): upgrade to 2.2.4 or later

  ```sh
  dotnet add package Microsoft.AspNet.Identity.Owin --version 2.2.4
  ```

- Microsoft.AspNetCore.App.Runtime.linux-arm (NuGet): upgrade to 6.0.20 or later

  ```sh
  dotnet add package Microsoft.AspNetCore.App.Runtime.linux-arm --version 6.0.20
  ```

- Microsoft.AspNetCore.App.Runtime.linux-arm64 (NuGet): upgrade to 6.0.20 or later

  ```sh
  dotnet add package Microsoft.AspNetCore.App.Runtime.linux-arm64 --version 6.0.20
  ```

- Microsoft.AspNetCore.App.Runtime.linux-musl-arm (NuGet): upgrade to 6.0.20 or later

  ```sh
  dotnet add package Microsoft.AspNetCore.App.Runtime.linux-musl-arm --version 6.0.20
  ```

- Microsoft.AspNetCore.App.Runtime.linux-musl-arm64 (NuGet): upgrade to 6.0.20 or later

  ```sh
  dotnet add package Microsoft.AspNetCore.App.Runtime.linux-musl-arm64 --version 6.0.20
  ```

- Microsoft.AspNetCore.App.Runtime.linux-musl-x64 (NuGet): upgrade to 7.0.9 or later

  ```sh
  dotnet add package Microsoft.AspNetCore.App.Runtime.linux-musl-x64 --version 7.0.9
  ```

- Microsoft.AspNetCore.App.Runtime.linux-x64 (NuGet): upgrade to 6.0.20 or later

  ```sh
  dotnet add package Microsoft.AspNetCore.App.Runtime.linux-x64 --version 6.0.20
  ```

- Microsoft.AspNetCore.App.Runtime.osx-arm64 (NuGet): upgrade to 7.0.9 or later

  ```sh
  dotnet add package Microsoft.AspNetCore.App.Runtime.osx-arm64 --version 7.0.9
  ```

- Microsoft.AspNetCore.App.Runtime.osx-x64 (NuGet): upgrade to 6.0.20 or later

  ```sh
  dotnet add package Microsoft.AspNetCore.App.Runtime.osx-x64 --version 6.0.20
  ```

- Microsoft.AspNetCore.App.Runtime.win-arm (NuGet): upgrade to 6.0.20 or later

  ```sh
  dotnet add package Microsoft.AspNetCore.App.Runtime.win-arm --version 6.0.20
  ```

- Microsoft.AspNetCore.App.Runtime.win-arm64 (NuGet): upgrade to 6.0.20 or later

  ```sh
  dotnet add package Microsoft.AspNetCore.App.Runtime.win-arm64 --version 6.0.20
  ```

- Microsoft.AspNetCore.App.Runtime.win-x64 (NuGet): upgrade to 6.0.20 or later

  ```sh
  dotnet add package Microsoft.AspNetCore.App.Runtime.win-x64 --version 6.0.20
  ```

- Microsoft.AspNetCore.App.Runtime.win-x86 (NuGet): upgrade to 6.0.20 or later

  ```sh
  dotnet add package Microsoft.AspNetCore.App.Runtime.win-x86 --version 6.0.20
  ```

- Microsoft.AspNetCore.Identity (NuGet): upgrade to 2.1.39 or later

  ```sh
  dotnet add package Microsoft.AspNetCore.Identity --version 2.1.39
  ```


## Affected products

- Microsoft.AspNet.Identity.Owin (NuGet) ECOSYSTEM:introduced=0,fixed=2.2.4
- Microsoft.AspNetCore.App.Runtime.linux-arm (NuGet) ECOSYSTEM:introduced=0,fixed=6.0.20
- Microsoft.AspNetCore.App.Runtime.linux-arm64 (NuGet) ECOSYSTEM:introduced=0,fixed=6.0.20
- Microsoft.AspNetCore.App.Runtime.linux-musl-arm (NuGet) ECOSYSTEM:introduced=0,fixed=6.0.20
- Microsoft.AspNetCore.App.Runtime.linux-musl-arm64 (NuGet) ECOSYSTEM:introduced=0,fixed=6.0.20
- Microsoft.AspNetCore.App.Runtime.linux-musl-x64 (NuGet) ECOSYSTEM:introduced=7.0.0,fixed=7.0.9
- Microsoft.AspNetCore.App.Runtime.linux-x64 (NuGet) ECOSYSTEM:introduced=0,fixed=6.0.20
- Microsoft.AspNetCore.App.Runtime.osx-arm64 (NuGet) ECOSYSTEM:introduced=7.0.0,fixed=7.0.9
- Microsoft.AspNetCore.App.Runtime.osx-x64 (NuGet) ECOSYSTEM:introduced=0,fixed=6.0.20
- Microsoft.AspNetCore.App.Runtime.win-arm (NuGet) ECOSYSTEM:introduced=0,fixed=6.0.20
- Microsoft.AspNetCore.App.Runtime.win-arm64 (NuGet) ECOSYSTEM:introduced=0,fixed=6.0.20
- Microsoft.AspNetCore.App.Runtime.win-x64 (NuGet) ECOSYSTEM:introduced=0,fixed=6.0.20
- Microsoft.AspNetCore.App.Runtime.win-x86 (NuGet) ECOSYSTEM:introduced=0,fixed=6.0.20
- Microsoft.AspNetCore.Identity (NuGet) ECOSYSTEM:introduced=0,fixed=2.1.39

## Identifiers

- CVE-2023-33170
- GHSA-25c8-p796-jg6r

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- [Microsoft ASP.NET Core authorization bypass in Blazor AuthorizeRouteView](https://junglewise.ai/threats/cve-2026-70183-microsoft-security-advisory-asp-net-core-security-feature-bypass)
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