Symphony Vulnerable to PHP Code Injection via YAML Parsing

published 2014-06-02 12y ago modified 2026-06-16 4mo ago also GHSA-2r5h-6r7v-5m7c , EUVD-2022-2041

cvss: 7.5; version 2.0, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 1.6%; EPSS 1.6% chance of exploitation in 30 days, percentile 76%
public exploits: 0; none known

The Yaml::parse function in Symfony 2.0.x before 2.0.22 remote attackers to execute arbitrary PHP code via a PHP file, a different vulnerability than CVE-2013-1397.

Patch / fix

fixed in 2 links 1

packagist symfony/symfony 2.0.22
packagist symfony/yaml 2.0.22

github.com/symfony/symfony@ac756bf commit

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Exploit prediction

1.62% chance of exploitation in the next 30 days, higher than 76% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by	version	score	vector
NVD	2.0	7.5	AV:N/AC:L/Au:N/C:P/I:P/A:P

Affected packages

ecosystem	package	affected	fixed in
packagist	symfony/symfony	>=2.0.0, <2.0.22	2.0.22
packagist	symfony/yaml	>=2.0.0, <2.0.22	2.0.22

Classification

Weakness

CWE-94 Improper Control of Generation of Code

References

github.com /symfony/symfony/commit/ac756bf39e646b4e130fad058d10a0228dbd9779
web
symfony.com /blog/security-release-symfony-2-0-22-and-2-1-7-released
vendor-advisory
exchange.xforce.ibmcloud.com /vulnerabilities/81550
vdb-entry, web
secunia.com /advisories/51980
third-party-advisory
securityfocus.com /bid/57574
vdb-entry
nvd.nist.gov /vuln/detail/CVE-2013-1348
advisory
github.com /FriendsOfPHP/security-advisories/blob/master/symfony/symfony/CVE-2013-1348.yaml
web
github.com /FriendsOfPHP/security-advisories/blob/master/symfony/yaml/CVE-2013-1348.yaml
web
github.com /symfony/symfony
package
symfony.com /blog/security-release-symfony-2-0-22-and-2-1-7-released
web
web.archive.org /web/20150612022223/http://www.securityfocus.com/bid/57574
web

Sources

CVE List CVE-2013-1348
GitHub Advisory GHSA-2r5h-6r7v-5m7c
NVD CVE-2013-1348

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