# CVE-2019-1075: Open redirect in ASP.NET Core

Source: https://junglewise.ai/threats/cve-2019-1075-open-redirect-in-asp-net-core  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2022-05-24  
License: CC BY 4.0 with a link back

CVE-2019-1075 · Severity: low · CVSS 3 · Published 2022-05-24

Open redirect in ASP.NET Core

Technologies: [Microsoft.AspNetCore.All (NuGet)](https://junglewise.ai/threats/technologies/microsoft-aspnetcore-all), [Microsoft.AspNetCore.App (NuGet)](https://junglewise.ai/threats/technologies/microsoft-aspnetcore-app), [Microsoft.AspNetCore.Server.HttpSys (NuGet)](https://junglewise.ai/threats/technologies/microsoft-aspnetcore-server-httpsys). Vendors: [NuGet](https://junglewise.ai/threats/vendors/nuget).

## Quick answers

**Is CVE-2019-1075 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2019-1075 being exploited in the wild.

**How severe is CVE-2019-1075?** Low severity, with a CVSS score of 3, published 24 May 2022.

**Which products and versions are affected?** Microsoft.AspNetCore.All (NuGet) ECOSYSTEM:introduced=2.2.0,fixed=2.2.6; Microsoft.AspNetCore.App (NuGet) ECOSYSTEM:introduced=2.2.0,fixed=2.2.6; Microsoft.AspNetCore.Server.HttpSys (NuGet) ECOSYSTEM:introduced=2.2.0,fixed=2.2.6; Microsoft.AspNetCore.Server.IIS (NuGet) ECOSYSTEM:introduced=2.2.0,fixed=2.2.6.

**Is there a fix for CVE-2019-1075?** Yes. Microsoft.AspNetCore.All (NuGet): upgrade to 2.2.6 or later; Microsoft.AspNetCore.App (NuGet): upgrade to 2.2.6 or later; Microsoft.AspNetCore.Server.HttpSys (NuGet): upgrade to 2.2.6 or later; Microsoft.AspNetCore.Server.IIS (NuGet): upgrade to 2.2.6 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**Am I affected by CVE-2019-1075?** Check whether you run Microsoft.AspNetCore.All (NuGet), Microsoft.AspNetCore.App (NuGet), Microsoft.AspNetCore.Server.HttpSys (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.AspNetCore.All (NuGet): upgrade to 2.2.6 or later

  ```sh
  dotnet add package Microsoft.AspNetCore.All --version 2.2.6
  ```

- Microsoft.AspNetCore.App (NuGet): upgrade to 2.2.6 or later

  ```sh
  dotnet add package Microsoft.AspNetCore.App --version 2.2.6
  ```

- Microsoft.AspNetCore.Server.HttpSys (NuGet): upgrade to 2.2.6 or later

  ```sh
  dotnet add package Microsoft.AspNetCore.Server.HttpSys --version 2.2.6
  ```

- Microsoft.AspNetCore.Server.IIS (NuGet): upgrade to 2.2.6 or later

  ```sh
  dotnet add package Microsoft.AspNetCore.Server.IIS --version 2.2.6
  ```


## Affected products

- Microsoft.AspNetCore.All (NuGet) ECOSYSTEM:introduced=2.2.0,fixed=2.2.6
- Microsoft.AspNetCore.App (NuGet) ECOSYSTEM:introduced=2.2.0,fixed=2.2.6
- Microsoft.AspNetCore.Server.HttpSys (NuGet) ECOSYSTEM:introduced=2.2.0,fixed=2.2.6
- Microsoft.AspNetCore.Server.IIS (NuGet) ECOSYSTEM:introduced=2.2.0,fixed=2.2.6

## Identifiers

- CVE-2019-1075
- GHSA-prrf-397v-83xh

## Related threats

- [Microsoft ASP.NET Core denial of service via resource consumption](https://junglewise.ai/threats/duplicate-advisory-microsoft-security-advisory-asp-net-core-denial-of-0f1476a7)
- [Microsoft ASP.NET Core denial of service via resource consumption](https://junglewise.ai/threats/cve-2026-114154-uncontrolled-resource-consumption-in-asp-net-core-allows-an)
- [Cookie parsing failure](https://junglewise.ai/threats/cve-2020-1045-cookie-parsing-failure)
- [ASP.NET Core Denial of Service Vulnerability](https://junglewise.ai/threats/cve-2020-1597-asp-net-core-denial-of-service-vulnerability)
- [Remote code execution in ASP.NET Core](https://junglewise.ai/threats/cve-2020-0603-remote-code-execution-in-asp-net-core)