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CVE-2013-4751

21
FAUCET Score

CVE-2013-4751 describes a loss of information vulnerability during serialization in php-symfony2-Validator, affecting various versions of Fedora, Red Hat Enterprise Linux, and Symfony. Rated with a CVSS score of 8.1 (HIGH), this vulnerability allows an authenticated attacker to achieve high confidentiality and integrity impacts with low attack complexity over a network. There is currently no evidence of active exploitation, publicly available exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
>= 2.0.0, < 2.0.24CPE matchmatch criteria
cpe:2.3:a:sensiolabs:symfony:*:*:*:*:*:*:*:*
>= 2.1.0, < 2.1.12CPE matchmatch criteria
cpe:2.3:a:sensiolabs:symfony:*:*:*:*:*:*:*:*
>= 2.2.0, < 2.2.5CPE matchmatch criteria
cpe:2.3:a:sensiolabs:symfony:*:*:*:*:*:*:*:*
>= 2.3.0, < 2.3.3CPE matchmatch criteria
cpe:2.3:a:sensiolabs:symfony:*:*:*:*:*:*:*:*
18CPE matchmatch criteria
cpe:2.3:o:fedoraproject:fedora:18:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

8.1HIGH

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
NONE
Exploitability Score
2.8
Impact Score
5.2
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.44%
Probability of exploitation in next 30 days
EPSS Percentile
70.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0144 is in the 68th percentile among its peer group of 17,844 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.3 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (8)

composerpatch availablevia ghsa
Product: symfony/validatorFixed in: 2.0.24
composerpatch availablevia ghsa
Product: symfony/validatorFixed in: 2.1.12
composerpatch availablevia ghsa
Product: symfony/validatorFixed in: 2.2.5
composerpatch availablevia ghsa
Product: symfony/validatorFixed in: 2.3.3
composerpatch availablevia ghsa
Product: symfony/symfonyFixed in: 2.0.24
composerpatch availablevia ghsa
Product: symfony/symfonyFixed in: 2.1.12
composerpatch availablevia ghsa
Product: symfony/symfonyFixed in: 2.2.5
composerpatch availablevia ghsa
Product: symfony/symfonyFixed in: 2.3.3

Vendor Advisories (1)

composerGHSA-q8j7-fjh7-25v5high

Symfony collectionCascaded and collectionCascadedDeeply fields security bypass

May 5, 2022

References

lists.fedoraproject.org / pipermail/package-announce/2013-August/114380.html
Mailing ListThird Party Advisory
lists.fedoraproject.org / pipermail/package-announce/2013-August/114436.html
Mailing ListThird Party Advisory
bugzilla.redhat.com / show_bug.cgi
Issue TrackingThird Party Advisory
exchange.xforce.ibmcloud.com / vulnerabilities/86364
Third Party AdvisoryVDB Entry
symfony.com / blog/security-releases-symfony-2-0-24-2-1-12-2-2-5-and-2-3-3-released
PatchVendor Advisory
securityfocus.com / bid/61709
Third Party AdvisoryVDB Entry