{"cve":"CVE-2011-0449","nvd":{"published":"2011-02-21T18:00:01.363","modified":"2026-06-16T23:27:24.553","status":"Modified","description":"actionpack/lib/action_view/template/resolver.rb in Ruby on Rails 3.0.x before 3.0.4, when a case-insensitive filesystem is used, does not properly implement filters associated with the list of available templates, which allows remote attackers to bypass intended access restrictions via an action name that uses an unintended case for alphabetic characters.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-264"],"references":["http://groups.google.com/group/rubyonrails-security/msg/04345b2e84df5b4f?dmode=source&output=gplain","http://lists.fedoraproject.org/pipermail/package-announce/2011-April/057650.html","http://secunia.com/advisories/43278","http://securitytracker.com/id?1025061","http://weblog.rubyonrails.org/2011/2/8/new-releases-2-3-11-and-3-0-4"],"products":["rubyonrails:rails"],"source":"nvd","synced_at":"2026-10-19T19:57:56.749847046+00:00"},"epss":{"cve":"CVE-2011-0449","score":0.02498,"percentile":0.84693,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-4ww3-3rxj-8v6q","url":"https://osv.dev/vulnerability/GHSA-4ww3-3rxj-8v6q","summary":"actionpack allows remote attackers to bypass intended access restrictions","modified":"2024-11-29T05:42:21.419833Z","packages":[{"ecosystem":"RubyGems","name":"actionpack","purl":"pkg:gem/actionpack","ranges":[">=3.0.0 <3.0.4"],"fixed":["3.0.4"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}