Moderate severityNVD Advisory· Published Feb 14, 2011· Updated Jun 16, 2026
CVE-2011-0447
CVE-2011-0447
Description
Ruby on Rails 2.1.x, 2.2.x, and 2.3.x before 2.3.11, and 3.x before 3.0.4, does not properly validate HTTP requests that contain an X-Requested-With header, which makes it easier for remote attackers to conduct cross-site request forgery (CSRF) attacks via forged (1) AJAX or (2) API requests that leverage "combinations of browser plugins and HTTP redirects," a related issue to CVE-2011-0696.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
actionpackRubyGems | >= 2.1.0, < 2.3.11 | 2.3.11 |
actionpackRubyGems | >= 3.0.0, < 3.0.4 | 3.0.4 |
Affected products
25cpe:2.3:a:rubyonrails:rails:2.1.0:*:*:*:*:*:*:*+ 23 more
- cpe:2.3:a:rubyonrails:rails:2.1.0:*:*:*:*:*:*:*
- cpe:2.3:a:rubyonrails:rails:2.1.1:*:*:*:*:*:*:*
- cpe:2.3:a:rubyonrails:rails:2.1.2:*:*:*:*:*:*:*
- cpe:2.3:a:rubyonrails:rails:2.2.0:*:*:*:*:*:*:*
- cpe:2.3:a:rubyonrails:rails:2.2.1:*:*:*:*:*:*:*
- cpe:2.3:a:rubyonrails:rails:2.2.2:*:*:*:*:*:*:*
- cpe:2.3:a:rubyonrails:rails:2.3.10:*:*:*:*:*:*:*
- cpe:2.3:a:rubyonrails:rails:2.3.2:*:*:*:*:*:*:*
- cpe:2.3:a:rubyonrails:rails:2.3.3:*:*:*:*:*:*:*
- cpe:2.3:a:rubyonrails:rails:2.3.4:*:*:*:*:*:*:*
- cpe:2.3:a:rubyonrails:rails:2.3.9:*:*:*:*:*:*:*
- cpe:2.3:a:rubyonrails:rails:3.0.0:*:*:*:*:*:*:*
- cpe:2.3:a:rubyonrails:rails:3.0.0:beta:*:*:*:*:*:*
- cpe:2.3:a:rubyonrails:rails:3.0.0:beta2:*:*:*:*:*:*
- cpe:2.3:a:rubyonrails:rails:3.0.0:beta3:*:*:*:*:*:*
- cpe:2.3:a:rubyonrails:rails:3.0.0:beta4:*:*:*:*:*:*
- cpe:2.3:a:rubyonrails:rails:3.0.0:rc:*:*:*:*:*:*
- cpe:2.3:a:rubyonrails:rails:3.0.0:rc2:*:*:*:*:*:*
- cpe:2.3:a:rubyonrails:rails:3.0.1:*:*:*:*:*:*:*
- cpe:2.3:a:rubyonrails:rails:3.0.1:pre:*:*:*:*:*:*
- cpe:2.3:a:rubyonrails:rails:3.0.2:*:*:*:*:*:*:*
- cpe:2.3:a:rubyonrails:rails:3.0.2:pre:*:*:*:*:*:*
- cpe:2.3:a:rubyonrails:rails:3.0.3:*:*:*:*:*:*:*
- cpe:2.3:a:rubyonrails:rails:3.0.4:rc1:*:*:*:*:*:*
Patches
Vulnerability mechanics
References
19- groups.google.com/group/rubyonrails-security/msg/c22ea1668c0d181cnvdPatchWEB
- weblog.rubyonrails.org/2011/2/8/csrf-protection-bypass-in-ruby-on-railsnvdPatchVendor AdvisoryWEB
- github.com/advisories/GHSA-24fg-p96v-hxh8ghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2011-0447ghsaADVISORY
- lists.fedoraproject.org/pipermail/package-announce/2011-April/057650.htmlnvdWEB
- lists.fedoraproject.org/pipermail/package-announce/2011-March/055074.htmlnvdWEB
- lists.fedoraproject.org/pipermail/package-announce/2011-March/055088.htmlnvdWEB
- www.debian.org/security/2011/dsa-2247nvdWEB
- github.com/rails/rails/commit/66ce3843d32e9f2ac3b1da20067af53019bbb034ghsaWEB
- github.com/rails/rails/commit/7e86f9b4d2b7dfa974c10ae7e6d8ef90f3d77f06ghsaWEB
- github.com/rubysec/ruby-advisory-db/blob/master/gems/actionpack/CVE-2011-0447.ymlghsaWEB
- web.archive.org/web/20120527023027/http://www.securityfocus.com/bid/46291ghsaWEB
- web.archive.org/web/20170223045008/http://www.securitytracker.com/idghsaWEB
- secunia.com/advisories/43274nvd
- secunia.com/advisories/43666nvd
- www.securityfocus.com/bid/46291nvd
- www.securitytracker.com/idnvd
- www.vupen.com/english/advisories/2011/0587nvd
- www.vupen.com/english/advisories/2011/0877nvd
News mentions
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