CVE-2019-10911

Name: CVE-2019-10911
Creator: NVD / NIST
Published: 2019-05-16T22:29:00.5+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 1.24%

Last modified Jun 17, 2026

CVE-2019-10911 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. In Symfony before 2.7.51, 2.8.x before 2.8.50, 3.x before 3.4.26, 4.x before 4.1.12, and 4.2.x before 4.2.7, a vulnerability would allow an attacker to authenticate as a privileged user on sites with user registration and remember me login functionality enabled. This is related to symfony/security.. EPSS estimates a 1.24% chance of exploitation in the next 30 days.

Description

In Symfony before 2.7.51, 2.8.x before 2.8.50, 3.x before 3.4.26, 4.x before 4.1.12, and 4.2.x before 4.2.7, a vulnerability would allow an attacker to authenticate as a privileged user on sites with user registration and remember me login functionality enabled. This is related to symfony/security.

Metrics

CVSS 3.1

7.5/10

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

EPSS Probability

1.24%

65.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-287

Affected Software

Vendor	Product	Versions
Sensiolabs	Symfony	>= 2.7.0, < 2.7.51
Sensiolabs	Symfony	>= 2.8.0, < 2.8.50
Sensiolabs	Symfony	>= 3.4.0, < 3.4.26
Sensiolabs	Symfony	>= 4.1.0, < 4.1.12
Sensiolabs	Symfony	>= 4.2.0, < 4.2.7
Drupal	Drupal	>= 8.5.0, < 8.5.15
Drupal	Drupal	>= 8.6.0, < 8.6.15

References

https://github.com/symfony/symfony/commit/a29ce2817cf43bb1850cf6af114004ac26c7a081Patch, Third Party Advisory
https://symfony.com/blog/cve-2019-10911-add-a-separator-in-the-remember-me-cookie-hashVendor Advisory
https://www.synology.com/security/advisory/Synology_SA_19_19Third Party Advisory
https://github.com/symfony/symfony/commit/a29ce2817cf43bb1850cf6af114004ac26c7a081Patch, Third Party Advisory
https://symfony.com/blog/cve-2019-10911-add-a-separator-in-the-remember-me-cookie-hashVendor Advisory
https://www.synology.com/security/advisory/Synology_SA_19_19Third Party Advisory

Timeline

Published: May 16, 2019
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2019-10911?

How severe is CVE-2019-10911?

CVE-2019-10911 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 1.24% probability of exploitation in the next 30 days.

How do I fix CVE-2019-10911?

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-2019-10911?

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

Scan your code now

Source: NVD / NIST