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CVE-2017-16652

Symfony Open Redirect

6.1 MediumFix available

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

0.77%Up 0.1 points since Apr 14, 2021
90%50%10%1%

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 MediumCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
CVSS 2.0
5.8 MediumAV: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 MediumCVSS: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 MediumCVSS: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 MediumCVSS: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 MediumCVSS: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 MediumCVSS: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

Affected packages
PackageAffectedFixed
symfony/symfony
Packagist
2.7.0 up to 2.7.38
2.7.38
symfony/symfony
Packagist
2.8.0 up to 2.8.31
2.8.31
symfony/symfony
Packagist
3.2.0 up to 3.2.14
3.2.14
symfony/symfony
Packagist
3.3.0 up to 3.3.13
3.3.13
symfony/security-http
Packagist
2.7.0 up to 2.7.38
2.7.38
symfony/security-http
Packagist
2.8.0 up to 2.8.31
2.8.31
symfony/security-http
Packagist
3.2.0 up to 3.2.14
3.2.14
symfony/security-http
Packagist
3.3.0 up to 3.3.13
3.3.13
symfony/security
Packagist
2.7.0 up to 2.7.38
2.7.38
symfony/security
Packagist
2.8.0 up to 2.8.31
2.8.31
Show 20 moreShow less
Affected packages
PackageAffectedFixed
symfony/security
Packagist
3.2.0 up to 3.2.14
3.2.14
symfony/security
Packagist
3.3.0 up to 3.3.13
3.3.13
symfony
Debian:12
before 3.4.0+dfsg-1
3.4.0+dfsg-1
symfony
Debian:13
before 3.4.0+dfsg-1
3.4.0+dfsg-1
symfony
Debian:14
before 3.4.0+dfsg-1
3.4.0+dfsg-1
symfony
Debian: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
symfony
Debian: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/symfony
Packagist
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 less
v2.7.13v2.7.14v2.7.15v2.7.16v2.7.17v2.7.18v2.7.19v2.7.2v2.7.20v2.7.21v2.7.22v2.7.23v2.7.24v2.7.25v2.7.26v2.7.27v2.7.28v2.7.29v2.7.3v2.7.30v2.7.31v2.7.32v2.7.33v2.7.34v2.7.35v2.7.36v2.7.37v2.7.4v2.7.5v2.7.6v2.7.7v2.7.8v2.7.9
2.7.38
symfony/symfony
Packagist
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 less
v2.8.13v2.8.14v2.8.15v2.8.16v2.8.17v2.8.18v2.8.19v2.8.2v2.8.20v2.8.21v2.8.22v2.8.23v2.8.24v2.8.25v2.8.26v2.8.27v2.8.28v2.8.29v2.8.3v2.8.30v2.8.4v2.8.5v2.8.6v2.8.7v2.8.8v2.8.9
2.8.31
symfony/symfony
Packagist
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 less
v3.2.13v3.2.2v3.2.3v3.2.4v3.2.5v3.2.6v3.2.7v3.2.8v3.2.9
3.2.14
symfony/symfony
Packagist
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 less
v3.3.2v3.3.3v3.3.4v3.3.5v3.3.6v3.3.7v3.3.8v3.3.9
3.3.13
symfony/security-http
Packagist
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 less
v2.7.13v2.7.14v2.7.15v2.7.16v2.7.17v2.7.18v2.7.19v2.7.2v2.7.20v2.7.21v2.7.22v2.7.23v2.7.24v2.7.25v2.7.26v2.7.27v2.7.28v2.7.29v2.7.3v2.7.30v2.7.31v2.7.32v2.7.33v2.7.34v2.7.35v2.7.36v2.7.37v2.7.4v2.7.5v2.7.6v2.7.7v2.7.8v2.7.9
2.7.38
symfony/security-http
Packagist
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 less
v2.8.13v2.8.14v2.8.15v2.8.16v2.8.17v2.8.18v2.8.19v2.8.2v2.8.20v2.8.21v2.8.22v2.8.23v2.8.24v2.8.25v2.8.26v2.8.27v2.8.28v2.8.29v2.8.3v2.8.30v2.8.4v2.8.5v2.8.6v2.8.7v2.8.8v2.8.9
2.8.31
symfony/security-http
Packagist
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 less
v3.2.13v3.2.2v3.2.3v3.2.4v3.2.5v3.2.6v3.2.7v3.2.8v3.2.9
3.2.14
symfony/security-http
Packagist
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 less
v3.3.2v3.3.3v3.3.4v3.3.5v3.3.6v3.3.7v3.3.8v3.3.9
3.3.13
symfony/security
Packagist
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 less
v2.7.13v2.7.14v2.7.15v2.7.16v2.7.17v2.7.18v2.7.19v2.7.2v2.7.20v2.7.21v2.7.22v2.7.23v2.7.24v2.7.25v2.7.26v2.7.27v2.7.28v2.7.29v2.7.3v2.7.30v2.7.31v2.7.32v2.7.33v2.7.34v2.7.35v2.7.36v2.7.37v2.7.4v2.7.5v2.7.6v2.7.7v2.7.8v2.7.9
2.7.38
symfony/security
Packagist
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 less
v2.8.13v2.8.14v2.8.15v2.8.16v2.8.17v2.8.18v2.8.19v2.8.2v2.8.20v2.8.21v2.8.22v2.8.23v2.8.24v2.8.25v2.8.26v2.8.27v2.8.28v2.8.29v2.8.3v2.8.30v2.8.4v2.8.5v2.8.6v2.8.7v2.8.8v2.8.9
2.8.31
symfony/security
Packagist
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 less
v3.2.13v3.2.2v3.2.3v3.2.4v3.2.5v3.2.6v3.2.7v3.2.8v3.2.9
3.2.14
symfony/security
Packagist
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 less
v3.3.2v3.3.3v3.3.4v3.3.5v3.3.6v3.3.7v3.3.8v3.3.9
3.3.13
symfony
Ubuntu: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

History
RecordedChangedSources
affected, facts
aliasesEUVD
first indexedCVE 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

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