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CVE-2018-8171: Improper Authentication

October 16, 2018 (updated July 1, 2021)

A Security Feature Bypass vulnerability exists in ASP.NET when the number of incorrect login attempts is not validated, aka “ASP.NET Security Feature Bypass Vulnerability.” This affects ASP.NET, ASP.NET Core 1.1, ASP.NET Core 1.0, ASP.NET Core 2.0, ASP.NET MVC 5.2.

References

  • github.com/advisories/GHSA-vhvh-528q-ff3p
  • nvd.nist.gov/vuln/detail/CVE-2018-8171

Code Behaviors & Features

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Affected versions

All versions starting from 1.0.0 up to 1.0.5, all versions starting from 1.1.0 up to 1.1.5, all versions starting from 2.0.0 up to 2.0.3, all versions starting from 2.1.0 up to 2.1.1

Fixed versions

  • 1.0.6
  • 1.1.6
  • 2.0.4
  • 2.1.2

Solution

Upgrade to versions 1.0.6, 1.1.6, 2.0.4, 2.1.2 or above.

Impact 7.5 HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Learn more about CVSS

Weakness

  • CWE-287: Improper Authentication

Source file

nuget/Microsoft.AspNetCore.Identity/CVE-2018-8171.yml

Spotted a mistake? Edit the file on GitLab.

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