Vulnerability DatabaseCVE-2018-11385
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CVE-2018-11385
Published:June 13, 2018
Updated:May 17, 2026
An issue was discovered in the Security component in Symfony 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. A session fixation vulnerability within the "Guard" login feature may allow an attacker to impersonate a victim towards the web application if the session id value was previously known to the attacker.
Affected Packages
symfony/security-http (PHP):
Affected version(s) >=v3.0.0 <v3.3.17
Fix Suggestion:
Update to version v3.3.17
symfony/security (PHP):
Affected version(s) >=v4.0.0 <v4.0.11
Fix Suggestion:
Update to version v4.0.11
symfony/security-http (PHP):
Affected version(s) >=v2.8.0 <v2.8.41
Fix Suggestion:
Update to version v2.8.41
symfony/security-http (PHP):
Affected version(s) >=v4.0.0 <v4.0.11
Fix Suggestion:
Update to version v4.0.11
symfony/symfony (PHP):
Affected version(s) >=v3.4.0 <v3.4.11
Fix Suggestion:
Update to version v3.4.11
symfony/symfony (PHP):
Affected version(s) >=v3.0.0 <v3.3.17
Fix Suggestion:
Update to version v3.3.17
symfony/symfony (PHP):
Affected version(s) >=v4.0.0 <v4.0.11
Fix Suggestion:
Update to version v4.0.11
symfony/security (PHP):
Affected version(s) >=v3.0.0 <v3.3.17
Fix Suggestion:
Update to version v3.3.17
symfony/security (PHP):
Affected version(s) >=v2.7.0 <v2.7.48
Fix Suggestion:
Update to version v2.7.48
symfony/security (PHP):
Affected version(s) >=v2.8.0 <v2.8.41
Fix Suggestion:
Update to version v2.8.41
symfony/security-http (PHP):
Affected version(s) >=v3.4.0 <v3.4.11
Fix Suggestion:
Update to version v3.4.11
symfony/symfony (PHP):
Affected version(s) >=v2.8.0 <v2.8.41
Fix Suggestion:
Update to version v2.8.41
symfony/symfony (PHP):
Affected version(s) >=v2.7.0 <v2.7.48
Fix Suggestion:
Update to version v2.7.48
symfony/security (PHP):
Affected version(s) >=v3.4.0 <v3.4.11
Fix Suggestion:
Update to version v3.4.11
symfony/security-http (PHP):
Affected version(s) >=v2.7.0 <v2.7.48
Fix Suggestion:
Update to version v2.7.48
Related Resources (18)
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/G4XNBMFW33H47O5TZGA7JYCVLDBCXAJV/
https://github.com/FriendsOfPHP/security-advisories/blob/master/symfony/symfony/CVE-2018-11385.yaml
https://github.com/symfony/symfony/commit/fad1e1f2ea336e85c889feece9d0e23fbfcf777d
https://github.com/FriendsOfPHP/security-advisories/blob/master/symfony/security-http/CVE-2018-11385.yaml
https://symfony.com/blog/cve-2018-11385-session-fixation-issue-for-guard-authentication
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/WU5N2TZFNGXDGMXMPP7LZCWTFLENF6WH
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UBQK7JDXIELADIPGZIOUCZKMAJM5LSBW/
https://github.com/FriendsOfPHP/security-advisories/blob/master/symfony/security/CVE-2018-11385.yaml
https://github.com/symfony/symfony
https://nvd.nist.gov/vuln/detail/CVE-2018-11385
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/UBQK7JDXIELADIPGZIOUCZKMAJM5LSBW
https://lists.debian.org/debian-lts-announce/2019/03/msg00009.html
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WU5N2TZFNGXDGMXMPP7LZCWTFLENF6WH/
https://symfony.com/cve-2018-11385
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/G4XNBMFW33H47O5TZGA7JYCVLDBCXAJV
https://www.debian.org/security/2018/dsa-4262
https://github.com/symfony/symfony/commit/fa5bf4b17d45ee32f41bd1a9abc3fb6c134ec89b
https://github.com/symfony/symfony/commit/194caff28b56707ea98e746c6582c06acbb9bc3f
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CVSS v4
Base Score:
9.2
Attack Vector
NETWORK
Attack Complexity
HIGH
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
HIGH
Vulnerable System Integrity
HIGH
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
8.1
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Weakness Type (CWE)
Session Fixation
CWE-384
EPSS
Base Score:
0.90