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CVE-2018-11408

Symfony Open Redirect

6.1 MediumFix available

The security handlers in the Security component in Symfony in 2.7.x before 2.7.48, 2.8.x before 2.8.41, 3.3.x before 3.3.17, 3.4.x before 3.4.11, and 4.0.x before 4.0.11 have an Open redirect vulnerability when security.http_utils is inlined by a container. NOTE: this issue exists because of an incomplete fix for CVE-2017-16652.

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

1.12%Down 0.1 points since Apr 14, 2021
90%50%10%1%

What each source reports

NVD Score used 6.1

The security handlers in the Security component in Symfony in 2.7.x before 2.7.48, 2.8.x before 2.8.41, 3.3.x before 3.3.17, 3.4.x before 3.4.11, and 4.0.x before 4.0.11 have an Open redirect vulnerability when security.http_utils is inlined by a container. NOTE: this issue exists because of an incomplete fix for CVE-2017-16652.

Record
CVE-2018-11408
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

The security handlers in the Security component in Symfony in 2.7.x before 2.7.48, 2.8.x before 2.8.41, 3.3.x before 3.3.17, 3.4.x before 3.4.11, and 4.0.x before 4.0.11 have an Open redirect vulnerability when security.http_utils is inlined by a container. NOTE: this issue exists because of an incomplete fix for CVE-2017-16652.

Record
CVE-2018-11408
Updated
2026-11-02
EUVDEUVD-2022-3015 No score

The security handlers in the Security component in Symfony in 2.7.x before 2.7.48, 2.8.x before 2.8.41, 3.3.x before 3.3.17, 3.4.x before 3.4.11, and 4.0.x before 4.0.11 have an Open redirect vulnerability when security.http_utils is inlined by a container. NOTE: this issue exists because of an incomplete fix for CVE-2017-16652.

Record
EUVD-2022-3015
Updated
2026-11-03
GitHub AdvisoriesGHSA-7hwc-2cq4-6x2w 6.1

Symfony Open Redirect

The security handlers in the Security component in Symfony in 2.7.x before 2.7.48, 2.8.x before 2.8.41, 3.3.x before 3.3.17, 3.4.x before 3.4.11, and 4.0.x before 4.0.11 have an Open redirect vulnerability when security.http_utils is inlined by a container. NOTE: this issue exists because of an incomplete fix for CVE-2017-16652.

Record
GHSA-7hwc-2cq4-6x2w
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

The security handlers in the Security component in Symfony in 2.7.x before 2.7.48, 2.8.x before 2.8.41, 3.3.x before 3.3.17, 3.4.x before 3.4.11, and 4.0.x before 4.0.11 have an Open redirect vulnerability when security.http_utils is inlined by a container. NOTE: this issue exists because of an incomplete fix for CVE-2017-16652.

Record
CVE-2018-11408
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-2018-11408 6.1

The security handlers in the Security component in Symfony in 2.7.x before 2.7.48, 2.8.x before 2.8.41, 3.3.x before 3.3.17, 3.4.x before 3.4.11, and 4.0.x before 4.0.11 have an Open redirect vulnerability when security.http_utils is inlined by a container. NOTE: this issue exists because of an incomplete fix for CVE-2017-16652.

Record
DEBIAN-CVE-2018-11408
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-7hwc-2cq4-6x2w 6.1

Symfony Open Redirect

The security handlers in the Security component in Symfony in 2.7.x before 2.7.48, 2.8.x before 2.8.41, 3.3.x before 3.3.17, 3.4.x before 3.4.11, and 4.0.x before 4.0.11 have an Open redirect vulnerability when security.http_utils is inlined by a container. NOTE: this issue exists because of an incomplete fix for CVE-2017-16652.

Record
GHSA-7hwc-2cq4-6x2w
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-2018-11408 6.1

The security handlers in the Security component in Symfony in 2.7.x before 2.7.48, 2.8.x before 2.8.41, 3.3.x before 3.3.17, 3.4.x before 3.4.11, and 4.0.x before 4.0.11 have an Open redirect vulnerability when security.http_utils is inlined by a container. NOTE: this issue exists because of an incomplete fix for CVE-2017-16652.

Record
UBUNTU-CVE-2018-11408
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 2.7.48
2.7.48
symfony/symfony
Packagist
 2.8.0 up to 2.8.41
2.8.41
symfony/symfony
Packagist
 3.3.0 up to 3.3.17
3.3.17
symfony/symfony
Packagist
 3.4.0 up to 3.4.11
3.4.11
symfony/symfony
Packagist
 4.0.0 up to 4.0.11
4.0.11
symfony/security-bundle
Packagist
 2.7.0 up to 2.7.48
2.7.48
symfony/security-bundle
Packagist
 2.8.0 up to 2.8.41
2.8.41
symfony/security-bundle
Packagist
 3.3.0 up to 3.3.17
3.3.17
symfony/security-bundle
Packagist
 3.4.0 up to 3.4.11
3.4.11
symfony/security-bundle
Packagist
 4.0.0 up to 4.0.11
4.0.11
Show 16 moreShow less
Affected packages
PackageAffectedFixed
symfony
Debian:12
 before 3.4.12+dfsg-1
3.4.12+dfsg-1
symfony
Debian:13
 before 3.4.12+dfsg-1
3.4.12+dfsg-1
symfony
Debian:14
 before 3.4.12+dfsg-1
3.4.12+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/symfony
Packagist
 2.7.0 up to 2.7.48, plus listed versions
v2.7.0v2.7.1v2.7.10v2.7.11v2.7.12
Show 43 moreShow less
v2.7.13v2.7.14v2.7.15v2.7.16v2.7.17v2.7.18v2.7.19v2.7.2v2.7.20v2.7.21v2.7.22v2.7.23v2.7.24v2.7.25v2.7.26v2.7.27v2.7.28v2.7.29v2.7.3v2.7.30v2.7.31v2.7.32v2.7.33v2.7.34v2.7.35v2.7.36v2.7.37v2.7.38v2.7.39v2.7.4v2.7.40v2.7.41v2.7.42v2.7.43v2.7.44v2.7.45v2.7.46v2.7.47v2.7.5v2.7.6v2.7.7v2.7.8v2.7.9
2.7.48
symfony/symfony
Packagist
 2.8.0 up to 2.8.41, plus listed versions
v2.8.0v2.8.1v2.8.10v2.8.11v2.8.12
Show 36 moreShow less
v2.8.13v2.8.14v2.8.15v2.8.16v2.8.17v2.8.18v2.8.19v2.8.2v2.8.20v2.8.21v2.8.22v2.8.23v2.8.24v2.8.25v2.8.26v2.8.27v2.8.28v2.8.29v2.8.3v2.8.30v2.8.31v2.8.32v2.8.33v2.8.34v2.8.35v2.8.36v2.8.37v2.8.38v2.8.39v2.8.4v2.8.40v2.8.5v2.8.6v2.8.7v2.8.8v2.8.9
2.8.41
symfony/symfony
Packagist
 3.3.0 up to 3.3.17, plus listed versions
v3.3.0v3.3.1v3.3.10v3.3.11v3.3.12
Show 12 moreShow less
v3.3.13v3.3.14v3.3.15v3.3.16v3.3.2v3.3.3v3.3.4v3.3.5v3.3.6v3.3.7v3.3.8v3.3.9
3.3.17
symfony/symfony
Packagist
 3.4.0 up to 3.4.11, plus listed versions
v3.4.0v3.4.1v3.4.10v3.4.2v3.4.3
Show 6 moreShow less
v3.4.4v3.4.5v3.4.6v3.4.7v3.4.8v3.4.9
3.4.11
symfony/symfony
Packagist
 4.0.0 up to 4.0.11, plus listed versions
v4.0.0v4.0.1v4.0.10v4.0.2v4.0.3
Show 6 moreShow less
v4.0.4v4.0.5v4.0.6v4.0.7v4.0.8v4.0.9
4.0.11
symfony/security-bundle
Packagist
 2.7.0 up to 2.7.48, plus listed versions
v2.7.0v2.7.1v2.7.10v2.7.11v2.7.12
Show 43 moreShow less
v2.7.13v2.7.14v2.7.15v2.7.16v2.7.17v2.7.18v2.7.19v2.7.2v2.7.20v2.7.21v2.7.22v2.7.23v2.7.24v2.7.25v2.7.26v2.7.27v2.7.28v2.7.29v2.7.3v2.7.30v2.7.31v2.7.32v2.7.33v2.7.34v2.7.35v2.7.36v2.7.37v2.7.38v2.7.39v2.7.4v2.7.40v2.7.41v2.7.42v2.7.43v2.7.44v2.7.45v2.7.46v2.7.47v2.7.5v2.7.6v2.7.7v2.7.8v2.7.9
2.7.48
symfony/security-bundle
Packagist
 2.8.0 up to 2.8.41, plus listed versions
v2.8.0v2.8.1v2.8.10v2.8.11v2.8.12
Show 36 moreShow less
v2.8.13v2.8.14v2.8.15v2.8.16v2.8.17v2.8.18v2.8.19v2.8.2v2.8.20v2.8.21v2.8.22v2.8.23v2.8.24v2.8.25v2.8.26v2.8.27v2.8.28v2.8.29v2.8.3v2.8.30v2.8.31v2.8.32v2.8.33v2.8.34v2.8.35v2.8.36v2.8.37v2.8.38v2.8.39v2.8.4v2.8.40v2.8.5v2.8.6v2.8.7v2.8.8v2.8.9
2.8.41
symfony/security-bundle
Packagist
 3.3.0 up to 3.3.17, plus listed versions
v3.3.0v3.3.1v3.3.10v3.3.11v3.3.12
Show 12 moreShow less
v3.3.13v3.3.14v3.3.15v3.3.16v3.3.2v3.3.3v3.3.4v3.3.5v3.3.6v3.3.7v3.3.8v3.3.9
3.3.17
symfony/security-bundle
Packagist
 3.4.0 up to 3.4.11, plus listed versions
v3.4.0v3.4.1v3.4.10v3.4.2v3.4.3
Show 6 moreShow less
v3.4.4v3.4.5v3.4.6v3.4.7v3.4.8v3.4.9
3.4.11
symfony/security-bundle
Packagist
 4.0.0 up to 4.0.11, plus listed versions
v4.0.0v4.0.1v4.0.10v4.0.2v4.0.3
Show 6 moreShow less
v4.0.4v4.0.5v4.0.6v4.0.7v4.0.8v4.0.9
4.0.11
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
symfony
Ubuntu:Pro:18.04:LTS
 All versions, plus listed versions
2.8.7+dfsg-1.3ubuntu13.4.3+dfsg-1ubuntu43.4.6+dfsg-13.4.6+dfsg-1ubuntu0.13.4.6+dfsg-1ubuntu0.1+esm13.4.6+dfsg-1ubuntu0.1+esm2
 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-2018-11408 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 1.12%, the 66th percentile. Fixed in symfony/symfony 2.7.48.

References

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