# CVE-2017-11879: Open redirect in ASP.NET Core

Source: https://junglewise.ai/threats/cve-2017-11879-open-redirect-in-asp-net-core  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2022-05-14  
License: CC BY 4.0 with a link back

CVE-2017-11879 · Severity: low · CVSS 3 · Published 2022-05-14

Open redirect in ASP.NET Core

Technologies: [Microsoft.AspNetCore.All (NuGet)](https://junglewise.ai/threats/technologies/microsoft-aspnetcore-all), [Microsoft.AspNetCore.Mvc.Core (NuGet)](https://junglewise.ai/threats/technologies/microsoft-aspnetcore-mvc-core). Vendors: [NuGet](https://junglewise.ai/threats/vendors/nuget).

## Quick answers

**Is CVE-2017-11879 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2017-11879 being exploited in the wild.

**How severe is CVE-2017-11879?** Low severity, with a CVSS score of 3, published 14 May 2022.

**Which products and versions are affected?** Microsoft.AspNetCore.All (NuGet) ECOSYSTEM:introduced=2.0.0,fixed=2.0.3; Microsoft.AspNetCore.Mvc.Core (NuGet) ECOSYSTEM:introduced=2.0.0,fixed=2.0.1.

**Is there a fix for CVE-2017-11879?** Yes. Microsoft.AspNetCore.All (NuGet): upgrade to 2.0.3 or later; Microsoft.AspNetCore.Mvc.Core (NuGet): upgrade to 2.0.1 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**Am I affected by CVE-2017-11879?** Check whether you run Microsoft.AspNetCore.All (NuGet) or Microsoft.AspNetCore.Mvc.Core (NuGet) 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 2.0.3 or later

  ```sh
  dotnet add package Microsoft.AspNetCore.All --version 2.0.3
  ```

- Microsoft.AspNetCore.Mvc.Core (NuGet): upgrade to 2.0.1 or later

  ```sh
  dotnet add package Microsoft.AspNetCore.Mvc.Core --version 2.0.1
  ```


## Affected products

- Microsoft.AspNetCore.All (NuGet) ECOSYSTEM:introduced=2.0.0,fixed=2.0.3
- Microsoft.AspNetCore.Mvc.Core (NuGet) ECOSYSTEM:introduced=2.0.0,fixed=2.0.1

## Identifiers

- CVE-2017-11879
- GHSA-3wcj-rg8q-9cqv

## Related threats

- [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)
- [Denial of service in ASP.NET Core](https://junglewise.ai/threats/cve-2020-0602-denial-of-service-in-asp-net-core)
- [Open redirect in ASP.NET Core](https://junglewise.ai/threats/cve-2019-1075-open-redirect-in-asp-net-core)
- [Denial of service in ASP.NET Core](https://junglewise.ai/threats/cve-2019-0564-denial-of-service-in-asp-net-core)