{"id":"CVE-2020-8163","aliases":["BIT-rails-2020-8163","GHSA-cr3x-7m39-c6jq"],"url":"https://o3.security/vulnerability/CVE-2020-8163","summary":"Remote code execution via user-provided local names in ActionView","details":"The is a code injection vulnerability in versions of Rails prior to 5.0.1 that wouldallow an attacker who controlled the `locals` argument of a `render` call to perform a RCE.","published":"2020-07-02T19:15:12.433Z","modified":"2026-09-09T03:30:13.843347438Z","cvss":{"score":8.8,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"},"epss":null,"cisaKev":null,"exploitsKnown":6,"affectedPackages":[{"ecosystem":"RubyGems","name":"actionview","fixedVersion":"4.2.11.3"}],"fix":null,"references":[{"type":"ADVISORY","url":"https://lists.debian.org/debian-lts-announce/2020/07/msg00013.html"},{"type":"REPORT","url":"https://hackerone.com/reports/304805"},{"type":"FIX","url":"https://groups.google.com/g/rubyonrails-security/c/hWuKcHyoKh0"},{"type":"EVIDENCE","url":"http://packetstormsecurity.com/files/158604/Ruby-On-Rails-5.0.1-Remote-Code-Execution.html"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-09-09T03:30:13.843347438Z"}}