FriendsOfSymfony FOSUserBundle denial of service via login form

published 2013-09-25 13y ago modified 2026-06-16 4mo ago also GHSA-9mpf-g3fc-9rgv , EUVD-2022-3415

cvss: 5.0; version 2.0, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 1.2%; EPSS 1.2% chance of exploitation in 30 days, percentile 69%
public exploits: 0; none known

The login form in the FriendsOfSymfony FOSUserBundle bundle before 1.3.3 for Symfony allows remote attackers to cause a denial of service (CPU consumption) via a long password that triggers an expensive hash computation, as demonstrated by a PBKDF2 computation.

Patch / fix

fixed in 1 links 1

packagist friendsofsymfony/user-bundle 1.2.5, 1.3.3

symfony.com/blog/cve-2013-5750-security-issue-in-fosuserbundle-login-f… advisory

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Exploit prediction

1.23% chance of exploitation in the next 30 days, higher than 69% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by	version	score	vector
NVD	2.0	5.0	AV:N/AC:L/Au:N/C:N/I:N/A:P

Affected packages

ecosystem	package	affected	fixed in
packagist	friendsofsymfony/user-bundle	>=1.2.0, <1.2.5 >=1.3.0, <1.3.3	1.2.5 1.3.3

Classification

Weakness

CWE-399 Resource Management Errors
CWE-400 Uncontrolled Resource Consumption

References

symfony.com /blog/cve-2013-5750-security-issue-in-fosuserbundle-login-form
web, patch, vendor-advisory
nvd.nist.gov /vuln/detail/CVE-2013-5750
advisory
github.com /FriendsOfPHP/security-advisories/blob/master/friendsofsymfony/user-bundle/CVE-2013-5750.yaml
web
symfony.com /cve-2013-5750
web

Sources

CVE List CVE-2013-5750
GitHub Advisory GHSA-9mpf-g3fc-9rgv
NVD CVE-2013-5750

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