CVE-2015-8124
Published:December 07, 2015
Updated:May 17, 2026
Session fixation vulnerability in the "Remember Me" login feature in Symfony 2.3.x before 2.3.35, 2.6.x before 2.6.12, and 2.7.x before 2.7.7 allows remote attackers to hijack web sessions via a session id.
Affected Packages
symfony/symfony (PHP):
Affected version(s) >=v2.3.0 <v2.3.35Fix Suggestion:
Update to version v2.3.35symfony/security (PHP):
Affected version(s) >=v2.4.0 <v2.6.12Fix Suggestion:
Update to version v2.6.12symfony/security (PHP):
Affected version(s) >=v2.7.0 <v2.7.7Fix Suggestion:
Update to version v2.7.7symfony/security-http (PHP):
Affected version(s) >=v2.4.0 <v2.6.12Fix Suggestion:
Update to version v2.6.12symfony/security-http (PHP):
Affected version(s) >=v2.7.0 <v2.7.7Fix Suggestion:
Update to version v2.7.7symfony/symfony (PHP):
Affected version(s) >=v2.4.0 <v2.6.12Fix Suggestion:
Update to version v2.6.12symfony/symfony (PHP):
Affected version(s) >=v2.7.0 <v2.7.7Fix Suggestion:
Update to version v2.7.7symfony/security (PHP):
Affected version(s) >=v2.3.0 <v2.3.35Fix Suggestion:
Update to version v2.3.35Related Resources (15)
Do you need more information?
Contact UsCVSS v4
Base Score:
6.3
Attack Vector
NETWORK
Attack Complexity
HIGH
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
LOW
Vulnerable System Integrity
LOW
Vulnerable System Availability
LOW
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
5.6
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
LOW
Integrity
LOW
Availability
LOW
CVSS v2
Base Score:
6.8
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
Weakness Type (CWE)
Session Fixation
EPSS
Base Score:
0.30