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
Published Feb 14, 2011
6.8
MEDIUMCVSS 2.0
EPSS 1.42%
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.
Affected products
No data.
- 2.1.0
- 2.1.1
- 2.1.2
- 2.2.0
- 2.2.1
- 2.2.2
- 2.3.2
- 2.3.3
- 2.3.4
- 2.3.9
- 2.3.10
- 3.0.0
- 3.0.0
- 3.0.0
- 3.0.0
- 3.0.0
- 3.0.0
- 3.0.0
- 3.0.1
- 3.0.1
- 3.0.2
- 3.0.2
- 3.0.3
- 3.0.4
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
AV:N/AC:M/Au:N/C:P/I:P/A:P
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (11 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.42% (0.01418) | 71.83th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.41% (0.01407) | 69.00th | v5 (v2026.06.15) |
| Mar 30, 2025 | 1.17% (0.01167) | 76.71th | v4 (v2025.03.14) |
| Mar 29, 2025 | 2.55% (0.02551) | 75.76th | v4 (v2025.03.14) |
| Mar 17, 2025 | 1.17% (0.01167) | 77.17th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.38% (0.00384) | 73.91th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.38% (0.00384) | 72.32th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.38% (0.00384) | 68.82th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.96% (0.01955) | 78.47th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.96% (0.01955) | 76.59th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.96% (0.01955) | 55.71th | v2 (v2022.01.01) |
References (19)
- http://groups.google.com/group/rubyonrails-security/msg/c22ea1668c0d181c?dmode=source&output=gplain mailing-listx_refsource_MLISTPatch
- http://lists.fedoraproject.org/pipermail/package-announce/2011-April/057650.html vendor-advisoryx_refsource_FEDORA
- http://lists.fedoraproject.org/pipermail/package-announce/2011-March/055074.html vendor-advisoryx_refsource_FEDORA
- http://lists.fedoraproject.org/pipermail/package-announce/2011-March/055088.html vendor-advisoryx_refsource_FEDORA
- http://secunia.com/advisories/43274 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/43666 third-party-advisoryx_refsource_SECUNIA
- http://weblog.rubyonrails.org/2011/2/8/csrf-protection-bypass-in-ruby-on-rails x_refsource_CONFIRMPatchVendor Advisory
- http://www.debian.org/security/2011/dsa-2247 vendor-advisoryx_refsource_DEBIAN
- http://www.securityfocus.com/bid/46291 vdb-entryx_refsource_BID
- http://www.securitytracker.com/id?1025060 vdb-entryx_refsource_SECTRACK
- http://www.vupen.com/english/advisories/2011/0587 vdb-entryx_refsource_VUPEN
- http://www.vupen.com/english/advisories/2011/0877 vdb-entryx_refsource_VUPEN
- https://github.com/advisories/GHSA-24fg-p96v-hxh8 Advisory
- https://github.com/rails/rails/commit/66ce3843d32e9f2ac3b1da20067af53019bbb034
- https://github.com/rails/rails/commit/7e86f9b4d2b7dfa974c10ae7e6d8ef90f3d77f06
- https://github.com/rubysec/ruby-advisory-db/blob/master/gems/actionpack/CVE-2011-0447.yml
- https://nvd.nist.gov/vuln/detail/CVE-2011-0447
- https://web.archive.org/web/20120527023027/http://www.securityfocus.com/bid/46291
- https://web.archive.org/web/20170223045008/http://www.securitytracker.com/id?1025060
Change history (0)
No recorded changes yet.