CVE-2021-44528

Description

A open redirect vulnerability exists in Action Pack >= 6.0.0 that could allow an attacker to craft a "X-Forwarded-Host" headers in combination with certain "allowed host" formats can cause the Host Authorization middleware in Action Pack to redirect users to a malicious website.

CVSS Metrics

• v3.1•MEDIUM•Score: 6.1CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
• v2.0•MEDIUM•Score: 5.8AV:N/AC:M/Au:N/C:P/I:P/A:N

EPSS Trends

Current EPSS score: 28.61%• Percentile: 97%

Techniques & Countermeasures

• CWE-601•URL Redirection to Untrusted Site ('Open Redirect')

  The web application accepts a user-controlled input that specifies a link to an external site, and uses that link in a redirect.

Affected Systems

• rubyonrails•rails

  6.0.4.2 | 6.1.4.2 | 7.0.0:rc2

References (3)

• https://github.com/rails/rails/commit/0fccfb9a3097a9c4260c791f1a40b128517e7815
• https://www.debian.org/security/2023/dsa-5372
• https://security.netapp.com/advisory/ntap-20240208-0003/