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Open Redirect The advisory has been revoked - it doesn't affect any version of package rails Open this link in a new tab

    Threat Intelligence

    EPSS 0.23% (61st percentile)
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NVD
6.1 medium
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Red Hat
6.1 medium

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  • Snyk ID SNYK-RUBY-RAILS-1071902
  • published 11 Feb 2021
  • disclosed 11 Feb 2021
  • credit Tyler Kennedy (TkTech)
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Introduced: 11 Feb 2021

CVE-2021-22881 Open this link in a new tab
CWE-601 Open this link in a new tab

Amendment

This was deemed not a vulnerability.

Overview

rails is an opensource MVC web framework.

Affected versions of this package are vulnerable to Open Redirect. Specially crafted Host headers in combination with certain allowed host formats can cause the Host Authorization middleware in ActionPack to redirect users to a malicious website. When an allowed host contains a leading dot, a specially crafted Host header can be used to redirect to a malicious website.

NOTE: This advisory was altered as the actual vulnerability is in the actionpack module, which is a dependency of rails.