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CVE

CVE-2012-6431

Symfony 2.0.x before 2.0.20 does not process URL encoded data consistently within the Routing and Security components, w

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.

MEDIUM · CVSS 6.4 EPSS 0.0022
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  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
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Affected Products & Versions

1
sensiolabs symfonyall versions
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Affected Packages

4
Language-ecosystem packages (from OSV) tied to this CVE, with the version that fixes it - the dependency-level detail NVD doesn’t carry.
Packagist symfony/http-foundation MEDIUM fixed in 2.0.19
Packagist symfony/routing MEDIUM fixed in 2.0.19
Packagist symfony/security MEDIUM fixed in 2.0.19
Packagist symfony/symfony MEDIUM fixed in 2.0.19
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Scoring & Timeline

6.4
MEDIUM · CVSS v2 (legacy) · cve@mitre.org
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This CVE predates CVSS v3; the legacy v2 score is shown so triage still has a severity to work with.
v2 Vector
AV:N/AC:L/Au:N/C:P/I:P/A:N
Published to NVD27 Dec 2012 · 11:47 AM
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References & Sources

1
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://symfony.com/blog/security-release-symfony-2-0-20-and-2-1-5-releasedVendor Advisory
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