CVE-2017-16652
Symfony Open Redirect
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
6.1
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.
- Record
CVE-2017-16652- CVSS 3.0
- 6.1 Medium
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - CVSS 2.0
- 5.8 Medium
AV:N/AC:M/Au:N/C:P/I:P/A:N - Weakness
- CWE-601
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2017-16652- Updated
- 2026-11-02
EUVDEUVD-2022-5125 No score
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.
- Record
EUVD-2022-5125- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-r7p7-qr7p-2rrf
6.1
Symfony Open Redirect
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.
- Record
GHSA-r7p7-qr7p-2rrf- CVSS 3.0
- 6.1 Medium
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - Weakness
- CWE-601
- Updated
- 2026-11-02
OSV
6.1
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.
- Record
CVE-2017-16652- CVSS 3.0
- 6.1 Medium
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - Updated
- 2026-11-02
OSVDEBIAN-CVE-2017-16652
6.1
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.
- Record
DEBIAN-CVE-2017-16652- CVSS 3.0
- 6.1 Medium
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - Updated
- 2026-11-02
OSVGHSA-r7p7-qr7p-2rrf
6.1
Symfony Open Redirect
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.
- Record
GHSA-r7p7-qr7p-2rrf- CVSS 3.0
- 6.1 Medium
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - Weakness
- CWE-601
- Updated
- 2026-11-02
OSVUBUNTU-CVE-2017-16652
6.1
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.
- Record
UBUNTU-CVE-2017-16652- CVSS 3.0
- 6.1 Medium
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
symfony/symfonyPackagist |
2.7.0 up to 2.7.38 | 2.7.38 |
symfony/symfonyPackagist |
2.8.0 up to 2.8.31 | 2.8.31 |
symfony/symfonyPackagist |
3.2.0 up to 3.2.14 | 3.2.14 |
symfony/symfonyPackagist |
3.3.0 up to 3.3.13 | 3.3.13 |
symfony/security-httpPackagist |
2.7.0 up to 2.7.38 | 2.7.38 |
symfony/security-httpPackagist |
2.8.0 up to 2.8.31 | 2.8.31 |
symfony/security-httpPackagist |
3.2.0 up to 3.2.14 | 3.2.14 |
symfony/security-httpPackagist |
3.3.0 up to 3.3.13 | 3.3.13 |
symfony/securityPackagist |
2.7.0 up to 2.7.38 | 2.7.38 |
symfony/securityPackagist |
2.8.0 up to 2.8.31 | 2.8.31 |
Show 20 moreShow less
| Package | Affected | Fixed |
|---|---|---|
symfony/securityPackagist |
3.2.0 up to 3.2.14 | 3.2.14 |
symfony/securityPackagist |
3.3.0 up to 3.3.13 | 3.3.13 |
symfonyDebian:12 |
before 3.4.0+dfsg-1 | 3.4.0+dfsg-1 |
symfonyDebian:13 |
before 3.4.0+dfsg-1 | 3.4.0+dfsg-1 |
symfonyDebian:14 |
before 3.4.0+dfsg-1 | 3.4.0+dfsg-1 |
symfonyDebian:8 From an advisory covering 7 CVEs |
before 2.3.21+dfsg-4+deb8u4, plus listed versions 2.3.21+dfsg-42.3.21+dfsg-4+deb8u12.3.21+dfsg-4+deb8u22.3.21+dfsg-4+deb8u3 |
2.3.21+dfsg-4+deb8u4 |
symfonyDebian:9 From an advisory covering 8 CVEs |
before 2.8.7+dfsg-1.3+deb9u1, plus listed versions 2.8.7+dfsg-1.3 |
2.8.7+dfsg-1.3+deb9u1 |
symfony/symfonyPackagist |
2.7.0 up to 2.7.38, plus listed versions v2.7.0v2.7.1v2.7.10v2.7.11v2.7.12 Show 33 moreShow lessv2.7.13v2.7.14v2.7.15v2.7.16v2.7.17v2.7.18v2.7.19v2.7.2v2.7.20v2.7.21v2.7.22v2.7.23v2.7.24v2.7.25v2.7.26v2.7.27v2.7.28v2.7.29v2.7.3v2.7.30v2.7.31v2.7.32v2.7.33v2.7.34v2.7.35v2.7.36v2.7.37v2.7.4v2.7.5v2.7.6v2.7.7v2.7.8v2.7.9 |
2.7.38 |
symfony/symfonyPackagist |
2.8.0 up to 2.8.31, plus listed versions v2.8.0v2.8.1v2.8.10v2.8.11v2.8.12 Show 26 moreShow lessv2.8.13v2.8.14v2.8.15v2.8.16v2.8.17v2.8.18v2.8.19v2.8.2v2.8.20v2.8.21v2.8.22v2.8.23v2.8.24v2.8.25v2.8.26v2.8.27v2.8.28v2.8.29v2.8.3v2.8.30v2.8.4v2.8.5v2.8.6v2.8.7v2.8.8v2.8.9 |
2.8.31 |
symfony/symfonyPackagist |
3.2.0 up to 3.2.14, plus listed versions v3.2.0v3.2.1v3.2.10v3.2.11v3.2.12 Show 9 moreShow lessv3.2.13v3.2.2v3.2.3v3.2.4v3.2.5v3.2.6v3.2.7v3.2.8v3.2.9 |
3.2.14 |
symfony/symfonyPackagist |
3.3.0 up to 3.3.13, plus listed versions v3.3.0v3.3.1v3.3.10v3.3.11v3.3.12 Show 8 moreShow lessv3.3.2v3.3.3v3.3.4v3.3.5v3.3.6v3.3.7v3.3.8v3.3.9 |
3.3.13 |
symfony/security-httpPackagist |
2.7.0 up to 2.7.38, plus listed versions v2.7.0v2.7.1v2.7.10v2.7.11v2.7.12 Show 33 moreShow lessv2.7.13v2.7.14v2.7.15v2.7.16v2.7.17v2.7.18v2.7.19v2.7.2v2.7.20v2.7.21v2.7.22v2.7.23v2.7.24v2.7.25v2.7.26v2.7.27v2.7.28v2.7.29v2.7.3v2.7.30v2.7.31v2.7.32v2.7.33v2.7.34v2.7.35v2.7.36v2.7.37v2.7.4v2.7.5v2.7.6v2.7.7v2.7.8v2.7.9 |
2.7.38 |
symfony/security-httpPackagist |
2.8.0 up to 2.8.31, plus listed versions v2.8.0v2.8.1v2.8.10v2.8.11v2.8.12 Show 26 moreShow lessv2.8.13v2.8.14v2.8.15v2.8.16v2.8.17v2.8.18v2.8.19v2.8.2v2.8.20v2.8.21v2.8.22v2.8.23v2.8.24v2.8.25v2.8.26v2.8.27v2.8.28v2.8.29v2.8.3v2.8.30v2.8.4v2.8.5v2.8.6v2.8.7v2.8.8v2.8.9 |
2.8.31 |
symfony/security-httpPackagist |
3.2.0 up to 3.2.14, plus listed versions v3.2.0v3.2.1v3.2.10v3.2.11v3.2.12 Show 9 moreShow lessv3.2.13v3.2.2v3.2.3v3.2.4v3.2.5v3.2.6v3.2.7v3.2.8v3.2.9 |
3.2.14 |
symfony/security-httpPackagist |
3.3.0 up to 3.3.13, plus listed versions v3.3.0v3.3.1v3.3.10v3.3.11v3.3.12 Show 8 moreShow lessv3.3.2v3.3.3v3.3.4v3.3.5v3.3.6v3.3.7v3.3.8v3.3.9 |
3.3.13 |
symfony/securityPackagist |
2.7.0 up to 2.7.38, plus listed versions v2.7.0v2.7.1v2.7.10v2.7.11v2.7.12 Show 33 moreShow lessv2.7.13v2.7.14v2.7.15v2.7.16v2.7.17v2.7.18v2.7.19v2.7.2v2.7.20v2.7.21v2.7.22v2.7.23v2.7.24v2.7.25v2.7.26v2.7.27v2.7.28v2.7.29v2.7.3v2.7.30v2.7.31v2.7.32v2.7.33v2.7.34v2.7.35v2.7.36v2.7.37v2.7.4v2.7.5v2.7.6v2.7.7v2.7.8v2.7.9 |
2.7.38 |
symfony/securityPackagist |
2.8.0 up to 2.8.31, plus listed versions v2.8.0v2.8.1v2.8.10v2.8.11v2.8.12 Show 26 moreShow lessv2.8.13v2.8.14v2.8.15v2.8.16v2.8.17v2.8.18v2.8.19v2.8.2v2.8.20v2.8.21v2.8.22v2.8.23v2.8.24v2.8.25v2.8.26v2.8.27v2.8.28v2.8.29v2.8.3v2.8.30v2.8.4v2.8.5v2.8.6v2.8.7v2.8.8v2.8.9 |
2.8.31 |
symfony/securityPackagist |
3.2.0 up to 3.2.14, plus listed versions v3.2.0v3.2.1v3.2.10v3.2.11v3.2.12 Show 9 moreShow lessv3.2.13v3.2.2v3.2.3v3.2.4v3.2.5v3.2.6v3.2.7v3.2.8v3.2.9 |
3.2.14 |
symfony/securityPackagist |
3.3.0 up to 3.3.13, plus listed versions v3.3.0v3.3.1v3.3.10v3.3.11v3.3.12 Show 8 moreShow lessv3.3.2v3.3.3v3.3.4v3.3.5v3.3.6v3.3.7v3.3.8v3.3.9 |
3.3.13 |
symfonyUbuntu:16.04:LTS |
All versions, plus listed versions 2.7.1+dfsg-12.7.5+dfsg-12.7.9+dfsg-12.7.9+dfsg-1ubuntu22.7.10-0ubuntu2 |
None known |
History
| Recorded | Changed | Sources |
|---|---|---|
| affected, facts | ||
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2017-16652 is a medium vulnerability (CVSS 6.1) in Sensiolabs Symfony, published June 13, 2018. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.77%, the 55th percentile. Fixed in symfony/symfony 2.7.38.
References
symfony.com/blog/cve-2017-16652-open-redirect-vulnerability-on-security-handlers
lists.debian.org/debian-lts-announce/2019/03/msg00009.html
nvd.nist.gov/vuln/detail/CVE-2017-16652
github.com/FriendsOfPHP/security-advisories/blob/master/symfony/security-http/CVE-2017-16652.yaml
github.com/FriendsOfPHP/security-advisories/blob/master/symfony/security/CVE-2017-16652.yaml
github.com/FriendsOfPHP/security-advisories/blob/master/symfony/symfony/CVE-2017-16652.yaml