CVE-2021-22881 is an open redirect vulnerability in the Host Authorization middleware of Action Pack, affecting Ruby on Rails versions prior to 6.1.2.1 and 6.0.3.5, as well as related Fedora projects. This flaw allows attackers to redirect users to malicious websites via specially crafted Host headers when allowed hosts are configured with a leading dot. With a CVSS score of 6.1 (Medium), exploitation requires no privileges but relies on user interaction, potentially leading to limited confidentiality and integrity impacts. While there is no evidence of active exploitation or Metasploit modules, a Nuclei template exists, and the vulnerability has received minimal community attention or media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 6.0.0, < 6.0.3.5CPE matchmatch criteria | cpe:2.3:a:rubyonrails:rails:*:*:*:*:*:*:*:* | ||
>= 6.1.0, < 6.1.2.1CPE matchmatch criteria | cpe:2.3:a:rubyonrails:rails:*:*:*:*:*:*:*:* | ||
33CPE matchmatch criteria | cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Actionpack Open Redirect Vulnerability
Mar 2, 2021rubygem-actionpack: open redirect vulnerability may lead to confidentiality and integrity compromise
Feb 11, 2021Rails 5.2.4.5, 6.0.3.5 and 6.1.2.1 have been released
Feb 10, 2021Rails 5.2.4.5, 6.0.3.5 and 6.1.2.1 have been released
Feb 10, 2021Rails 5.2.4.5, 6.0.3.5 and 6.1.2.1 have been released
Feb 10, 2021Rails 5.2.4.5, 6.0.3.5 and 6.1.2.1 have been released
Feb 10, 2021Rails 5.2.4.5, 6.0.3.5 and 6.1.2.1 have been released
Feb 10, 2021