What’s Vulnerable › Vulnerabilities

CVE-2012-6431

• Severity: medium (CVSS 6.4 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.9% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2012-12-27 · updated 2026-06-16
• Weakness: CWE-264

Description

Symfony 2.0.x before 2.0.20 does not process URL encoded data consistently within the Routing and Security components, which allows remote attackers to bypass intended URI restrictions via a doubly encoded string.

Affected products

• symfony: 2.0.0, 2.0.1, 2.0.2, 2.0.3, 2.0.4, 2.0.5 (+14)

References

• http://symfony.com/blog/security-release-symfony-2-0-20-and-2-1-5-released
• http://symfony.com/blog/security-release-symfony-2-0-20-and-2-1-5-released

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