CVE-2017-16652

Name: CVE-2017-16652
Creator: NVD / NIST
Published: 2018-06-13T16:29:00.267+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 0.95%

Last modified Jun 17, 2026

CVE-2017-16652 is a vulnerability of currently unknown severity. An issue was discovered in Symfony 2.7.x before 2.7.38, 2.8.x before 2.8.31, 3.2.x before 3.2.14, and 3.3.x before 3.3.13. DefaultAuthenticationSuccessHandler or DefaultAuthenticationFailureHandler takes the content of the _target_path parameter and generates a redirect response, but no check is performed on the path, which could be an absolute URL to an external domain. EPSS estimates a 0.95% chance of exploitation in the next 30 days.

Description

An issue was discovered in Symfony 2.7.x before 2.7.38, 2.8.x before 2.8.31, 3.2.x before 3.2.14, and 3.3.x before 3.3.13. DefaultAuthenticationSuccessHandler or DefaultAuthenticationFailureHandler takes the content of the _target_path parameter and generates a redirect response, but no check is performed on the path, which could be an absolute URL to an external domain. This Open redirect vulnerability can be exploited for example to mount effective phishing attacks.

Metrics

EPSS Probability

0.95%

56.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-601

Affected Software

Vendor	Product	Versions
Sensiolabs	Symfony	> 2.7.0, < 2.7.38
Sensiolabs	Symfony	> 2.8.0, < 2.8.31
Sensiolabs	Symfony	> 3.2.0, < 3.2.14
Sensiolabs	Symfony	>= 3.3.0, < 3.3.13
Debian	Debian Linux	8.0

References

https://lists.debian.org/debian-lts-announce/2019/03/msg00009.htmlThird Party Advisory
https://symfony.com/blog/cve-2017-16652-open-redirect-vulnerability-on-security-handlersVendor Advisory
https://lists.debian.org/debian-lts-announce/2019/03/msg00009.htmlThird Party Advisory
https://symfony.com/blog/cve-2017-16652-open-redirect-vulnerability-on-security-handlersVendor Advisory

Timeline

Published: Jun 13, 2018
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2017-16652?

How severe is CVE-2017-16652?

Severity scoring for CVE-2017-16652 is pending analysis. The EPSS model estimates a 0.95% probability of exploitation in the next 30 days.

How do I fix CVE-2017-16652?

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-2017-16652?

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

Scan your code now

Source: NVD / NIST