CVE-2019-11325

Name: CVE-2019-11325
Creator: NVD / NIST
Published: 2019-11-21T23:15:13.297+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 3.35%

Last modified Jun 17, 2026

CVE-2019-11325 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. 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. EPSS estimates a 3.35% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

9.8/10

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

EPSS Probability

3.35%

87.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-116

Affected Software

Vendor	Product	Versions
Sensiolabs	Symfony	>= 4.2.0, < 4.2.12
Sensiolabs	Symfony	>= 4.3.0, < 4.3.8

References

https://github.com/symfony/symfony/releases/tag/v4.3.8Release Notes, Third Party Advisory
https://github.com/symfony/var-exporter/compare/d8bf442...57e00f3Patch, Third Party Advisory
https://symfony.com/blog/cve-2019-11325-fix-escaping-of-strings-in-varexporterVendor Advisory
https://symfony.com/blog/symfony-4-3-8-releasedRelease Notes, Vendor Advisory
https://github.com/symfony/symfony/releases/tag/v4.3.8Release Notes, Third Party Advisory
https://github.com/symfony/var-exporter/compare/d8bf442...57e00f3Patch, Third Party Advisory
https://symfony.com/blog/cve-2019-11325-fix-escaping-of-strings-in-varexporterVendor Advisory
https://symfony.com/blog/symfony-4-3-8-releasedRelease Notes, Vendor Advisory

Timeline

Published: Nov 21, 2019
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2019-11325?

How severe is CVE-2019-11325?

CVE-2019-11325 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 3.35% probability of exploitation in the next 30 days.

How do I fix CVE-2019-11325?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2019-11325?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST