# CVE-2018-8171: Security feature bypass vulnerability exists in ASP.NET when the number of incorrect login attempts is not validated

Source: https://junglewise.ai/threats/cve-2018-8171-security-feature-bypass-vulnerability-exists-in-asp-net-when-the  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2018-10-16  
License: CC BY 4.0 with a link back

CVE-2018-8171 · Severity: low · CVSS 3 · Published 2018-10-16

Security feature bypass vulnerability exists in ASP.NET when the number of incorrect login attempts is not validated

Technologies: [Microsoft.AspNetCore.Identity (NuGet)](https://junglewise.ai/threats/technologies/microsoft-aspnetcore-identity). Vendors: [NuGet](https://junglewise.ai/threats/vendors/nuget).

## Quick answers

**Is CVE-2018-8171 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2018-8171 being exploited in the wild.

**How severe is CVE-2018-8171?** Low severity, with a CVSS score of 3, published 16 October 2018.

**Which products and versions are affected?** Microsoft.AspNetCore.Identity (NuGet) ECOSYSTEM:introduced=1.0.0,fixed=1.0.6.

**Is there a fix for CVE-2018-8171?** Yes. Microsoft.AspNetCore.Identity (NuGet): upgrade to 1.0.6 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**Am I affected by CVE-2018-8171?** Check whether you run Microsoft.AspNetCore.Identity (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.Identity (NuGet): upgrade to 1.0.6 or later

  ```sh
  dotnet add package Microsoft.AspNetCore.Identity --version 1.0.6
  ```


## Affected products

- Microsoft.AspNetCore.Identity (NuGet) ECOSYSTEM:introduced=1.0.0,fixed=1.0.6

## Identifiers

- CVE-2018-8171
- GHSA-vhvh-528q-ff3p

## Related threats

- [Microsoft Security Advisory : .NET Elevation of Privilege Vulnerability](https://junglewise.ai/threats/cve-2025-24070-microsoft-security-advisory-net-elevation-of-privilege)
- [Microsoft Security Advisory : .NET Security Feature Bypass Vulnerability](https://junglewise.ai/threats/cve-2023-33170-microsoft-security-advisory-net-security-feature-bypass)