Ruby on Rails 2.1 before 2.1.3 and 2.2.x before 2.2.2 does not verify tokens for requests with certain content types, which allows remote attackers to bypass cross-site request forgery (CSRF) protection for requests to applications that rely on this protection, as demonstrated using text/plain.
CVE-2008-7248
This CVE was only ever scored under CVSS v2.0. NVD CVSS v2.0 base 6.8 — v2 rates that MEDIUM (v2 bands: LOW 0.0–3.9 / MEDIUM 4.0–6.9 / HIGH 7.0–10.0; v2 has no CRITICAL band). Vector AV:N/AC:M/Au:N/C:P/I:P/A:P. CVSS v2 is an older, coarser metric than v3.1/v4.0 (no Scope, no User Interaction, no Attack Requirements), so it is not directly comparable to a v3 or v4 score. NVD has never re-scored this record under v3. EPSS predicts 8.1% exploitation probability in the next 30 days, which is reflected in EG Risk but does not lift the v2 base. Confidence: LOW.
- Lower severity and no public exploit yet
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v2.0 (legacy)
- 6.8MEDIUMNVD never assigned a CVSS v3 rating to this CVE
- EG Score
- 6.8(low)
- EG Risk
- 61(Track)EG Risk 61/100SSVC: Track
EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).
How it’s computedSeverity68% × 45%Exploitation65% × 40%Automatability30% × 15%Action: Routine — remediate on your standard cadence. - EPSS PROB
- 8%
- EPSS %ILE
- 94%
- KEV
- Not listed
Published
December 16, 2009
Last Modified
April 23, 2026
References (20)
- secalert@redhathttp://groups.google.com/group/rubyonrails-security/browse_thread/thread/d741ee286e36e301?hl=en
- secalert@redhathttp://lists.opensuse.org/opensuse-security-announce/2010-03/msg00004.html
- secalert@redhathttp://pseudo-flaw.net/content/web-browsers/form-data-encoding-roundup/
- secalert@redhathttp://secunia.com/advisories/36600
- secalert@redhathttp://secunia.com/advisories/38915
- secalert@redhathttp://weblog.rubyonrails.org/2008/11/18/potential-circumvention-of-csrf-protection-in-rails-2-1
- secalert@redhathttp://www.openwall.com/lists/oss-security/2009/11/28/1
- secalert@redhathttp://www.openwall.com/lists/oss-security/2009/12/02/2
- secalert@redhathttp://www.rorsecurity.info/journal/2008/11/19/circumvent-rails-csrf-protection.html
- secalert@redhathttp://www.vupen.com/english/advisories/2009/2544
- af854a3a-2127-422b-91ae-364da2661108http://groups.google.com/group/rubyonrails-security/browse_thread/thread/d741ee286e36e301?hl=en
- af854a3a-2127-422b-91ae-364da2661108http://lists.opensuse.org/opensuse-security-announce/2010-03/msg00004.html
- af854a3a-2127-422b-91ae-364da2661108http://pseudo-flaw.net/content/web-browsers/form-data-encoding-roundup/
- af854a3a-2127-422b-91ae-364da2661108http://secunia.com/advisories/36600
- af854a3a-2127-422b-91ae-364da2661108http://secunia.com/advisories/38915
Affected Packages
(1 across 1 ecosystem)
RubyGems(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| actionpack | — | 2.2.2 | — |
Data Freshness Timeline
(refreshed 13× in last 7d / 37× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
Showing the most recent 100 of 102 total refreshes for this CVE.
- 2026-07-26 13:37 UTCEG score recompute▲ 6.80
- 2026-07-25 14:12 UTCEPSS rescore
- 2026-07-24 19:11 UTCOSV refresh
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- 2026-07-23 00:58 UTCEG score recompute
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- 2026-05-30 14:19 UTCEG score recompute
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Publicly available exploits
(1 reference)Working exploit code is in the public domain (1 Exploit-DB entry). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.
- Exploit-DBEDB-33402✓ verifiedFirst seen Dec 14, 2009
Ruby on Rails 2.3.5 - 'protect_from_forgery' Cross-Site Request Forgery
Open source ↗
Frequently asked(4)
What is CVE-2008-7248?
When was CVE-2008-7248 disclosed?
Is CVE-2008-7248 actively exploited?
How do I remediate CVE-2008-7248?
Dependency Blast Radius
See which npm, PyPI, Go, and Maven packages are affected by CVE-2008-7248
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