Critical severity · published Nov 21, 2019
CVE-2019-11325
An issue was discovered in Symfony before 4.2.12 and 4.3.x before 4.3.8
9.8
CVSS
3.4%
EPSS
No
On KEV
Description
An issue was discovered in Symfony before 4.2.12 and 4.3.x before 4.3.8. The VarExport component incorrectly escapes strings, allowing some specially crafted ones to escalate to execution of arbitrary PHP code. This is related to symfony/var-exporter.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)3.4% · higher than 89% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
SY
Symfony · Sensiolabs
4.2.0 before 4.2.12; 4.3.0 before 4.3.8 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2019-11325
CVE.org
https://www.cve.org/CVERecord?id=CVE-2019-11325
Release Notes
https://github.com/symfony/symfony/releases/tag/v4.3.8
Patch
https://github.com/symfony/var-exporter/compare/d8bf442...57e00f3
Vendor Advisory
https://symfony.com/blog/cve-2019-11325-fix-escaping-of-strings-in-varexporter
Release Notes
https://symfony.com/blog/symfony-4-3-8-released
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