{"id":"CVE-2021-22942","aliases":["GHSA-2rqw-v265-jf8c"],"url":"https://o3.security/vulnerability/CVE-2021-22942","summary":"Open Redirect in ActionPack","details":"A possible open redirect vulnerability in the Host Authorization middleware in Action Pack >= 6.0.0 that could allow attackers to redirect users to a malicious website.","published":"2021-10-18T13:15:09.323Z","modified":"2026-08-07T15:15:11.316112Z","cvss":{"score":6.1,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"},"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"RubyGems","name":"actionpack","fixedVersion":"6.0.4.1"},{"ecosystem":"RubyGems","name":"actionpack","fixedVersion":"6.1.4.1"}],"fix":null,"references":[{"type":"ADVISORY","url":"https://security.netapp.com/advisory/ntap-20240202-0005/"},{"type":"ADVISORY","url":"https://weblog.rubyonrails.org/2021/8/19/Rails-6-0-4-1-and-6-1-4-1-have-been-released/"},{"type":"ADVISORY","url":"https://www.debian.org/security/2023/dsa-5372"},{"type":"FIX","url":"http://www.openwall.com/lists/oss-security/2021/12/14/5"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-07T15:15:11.316112Z"}}