Vulnerability DatabaseCVE-2019-18889
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CVE-2019-18889
Published:November 21, 2019
Updated:May 17, 2026
An issue was discovered in Symfony 3.4.0 through 3.4.34, 4.2.0 through 4.2.11, and 4.3.0 through 4.3.7. Serializing certain cache adapter interfaces could result in remote code injection. This is related to symfony/cache.
Affected Packages
symfony/symfony (PHP):
Affected version(s) >=v3.1.0 <v3.4.35
Fix Suggestion:
Update to version v3.4.35
symfony/symfony (PHP):
Affected version(s) >=v4.0.0 <v4.2.12
Fix Suggestion:
Update to version v4.2.12
symfony/cache (PHP):
Affected version(s) >=v4.0.0 <v4.2.12
Fix Suggestion:
Update to version v4.2.12
symfony/cache (PHP):
Affected version(s) >=v4.3.0 <v4.3.8
Fix Suggestion:
Update to version v4.3.8
symfony/cache (PHP):
Affected version(s) >=v3.1.0 <v3.4.35
Fix Suggestion:
Update to version v3.4.35
symfony/symfony (PHP):
Affected version(s) >=v4.3.0 <v4.3.8
Fix Suggestion:
Update to version v4.3.8
Related Resources (10)
https://symfony.com/blog/cve-2019-18889-forbid-serializing-abstractadapter-and-tagawareadapter-instances
https://symfony.com/blog/symfony-4-3-8-released
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UED22BOXTL2SSFMGYKA64ZFHGLLJG3EA/
https://github.com/FriendsOfPHP/security-advisories/blob/master/symfony/symfony/CVE-2019-18889.yaml
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/UED22BOXTL2SSFMGYKA64ZFHGLLJG3EA
https://github.com/symfony/symfony/releases/tag/v4.3.8
https://github.com/FriendsOfPHP/security-advisories/blob/master/symfony/cache/CVE-2019-18889.yaml
https://nvd.nist.gov/vuln/detail/CVE-2019-18889
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UED22BOXTL2SSFMGYKA64ZFHGLLJG3EA
https://symfony.com/cve-2019-18889
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CVSS v4
Base Score:
9.3
Attack Vector
NETWORK
Attack Complexity
LOW
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:
9.8
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Weakness Type (CWE)
Improper Control of Generation of Code ('Code Injection')
CWE-94
EPSS
Base Score:
5.13