CVE-2009-3086
MEDIUM · CVSS 5.0EPSS 2.2%EU EUVD
A certain algorithm in Ruby on Rails 2.1.0 through 2.2.2, and 2.3.x before 2.3.4, leaks information about the complexity of message-digest signature verification in the cookie store, which might allow remote attackers to forge a digest via multiple attempts.
Key facts
- CVSS score
- 5.0 (v2.0)
- Severity
- MEDIUM
- CVSS vector
AV:N/AC:L/Au:N/C:P/I:N/A:N- Weakness (CWE)
- CWE-200
- EPSS score
- 2.2% (83th percentile)
- In CISA KEV
- No
- In EU EUVD
- Yes (EUVD-2017-0227)
- Published
- September 8, 2009
- NVD last modified
- June 16, 2026
- Status
- Modified
EU Vulnerability Database (EUVD)
This vulnerability is also tracked by ENISA as EUVD-2017-0227 in the EU Vulnerability Database. Last updated in EUVD on August 7, 2024.
View on the EU Vulnerability DatabaseAffected products
- rubyonrails / rails
- rubyonrails / rails
- rubyonrails / rails
- rubyonrails / rails
- rubyonrails / rails
- rubyonrails / rails
- rubyonrails / rails
- rubyonrails / rails
References
- http://lists.opensuse.org/opensuse-security-announce/2009-10/msg00004.html
- http://secunia.com/advisories/36600
- http://weblog.rubyonrails.org/2009/9/4/timing-weakness-in-ruby-on-rails(Patch)
- http://www.debian.org/security/2011/dsa-2260
- http://www.securityfocus.com/bid/37427
- http://www.vupen.com/english/advisories/2009/2544(Vendor Advisory)
Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS
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