CVE-2013-4751

CVE-2013-4751 is a high-severity vulnerability in Sensiolabs Symfony with a CVSS 3.x base score of 8.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-20.

Key facts

Description

php-symfony2-Validator has loss of information during serialization

Frequently asked questions

What is CVE-2013-4751?
php-symfony2-Validator has loss of information during serialization
How severe is CVE-2013-4751?
CVE-2013-4751 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.
Is CVE-2013-4751 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (70th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2013-4751?
CVE-2013-4751 primarily affects Sensiolabs Symfony. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2013-4751?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2013-4751 published?
CVE-2013-4751 was published on 2019-11-01 and last updated on 2026-06-16.

References

Affected products (4)

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