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.
CVE-2009-3086 is a security vulnerability that . Impacting 1 product from rubyonrails organizations running these solutions should prioritize assessment and patching.
Originally identified in 2009, this vulnerability predates many modern security frameworks and practices. The vulnerability landscape of that era was characterized by different threat models and less mature defense mechanisms compared to contemporary standards.
2009-09-08T18:30:00.453
2025-04-09T00:30:58.490
Deferred
CVSSv2: 5.0 (MEDIUM)
AV:N/AC:L/Au:N/C:P/I:N/A:N
10.0
2.9
| Type | Vendor | Product | Version/Range | Vulnerable? |
|---|---|---|---|---|
| Application | rubyonrails | rails | 2.1.0 | Yes |
| Application | rubyonrails | rails | 2.1.1 | Yes |
| Application | rubyonrails | rails | 2.1.2 | Yes |
| Application | rubyonrails | rails | 2.2.0 | Yes |
| Application | rubyonrails | rails | 2.2.1 | Yes |
| Application | rubyonrails | rails | 2.2.2 | Yes |
| Application | rubyonrails | rails | 2.3.2 | Yes |
| Application | rubyonrails | rails | 2.3.3 | Yes |
SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For rubyonrails's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.