CVE-2012-6431

Name: CVE-2012-6431
Creator: NVD / NIST
Published: 2012-12-27T11:47:01.79+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 1.88%

Last modified Jun 16, 2026

CVE-2012-6431 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 1.88% chance of exploitation in the next 30 days.

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.

Metrics

EPSS Probability

1.88%

76.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-264

Affected Software

Vendor	Product	Versions
Sensiolabs	Symfony	2.0.0
Sensiolabs	Symfony	2.0.1
Sensiolabs	Symfony	2.0.2
Sensiolabs	Symfony	2.0.3
Sensiolabs	Symfony	2.0.4
Sensiolabs	Symfony	2.0.5
Sensiolabs	Symfony	2.0.6
Sensiolabs	Symfony	2.0.7
Sensiolabs	Symfony	2.0.8
Sensiolabs	Symfony	2.0.9
Sensiolabs	Symfony	2.0.10
Sensiolabs	Symfony	2.0.11
Sensiolabs	Symfony	2.0.12
Sensiolabs	Symfony	2.0.13
Sensiolabs	Symfony	2.0.14
Sensiolabs	Symfony	2.0.15
Sensiolabs	Symfony	2.0.16
Sensiolabs	Symfony	2.0.17
Sensiolabs	Symfony	2.0.18
Sensiolabs	Symfony	2.0.19

References

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

Timeline

Published: Dec 27, 2012
Last Modified: Jun 16, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2012-6431?

How severe is CVE-2012-6431?

Severity scoring for CVE-2012-6431 is pending analysis. The EPSS model estimates a 1.88% probability of exploitation in the next 30 days.

How do I fix CVE-2012-6431?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2012-6431?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST