Vulnerability Details CVE-2019-18886
An issue was discovered in Symfony 4.2.0 to 4.2.11 and 4.3.0 to 4.3.7. The ability to enumerate users was possible due to different handling depending on whether the user existed when making unauthorized attempts to use the switch users functionality. This is related to symfony/security.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.015
EPSS Ranking 80.6%
CVSS Severity
CVSS v3 Score 5.3
CVSS v2 Score 5.0
References
- https://github.com/symfony/symfony/releases/tag/v4.3.8
- https://symfony.com/blog/cve-2019-18886-prevent-user-enumeration-using-switch-user-functionality
- https://symfony.com/blog/symfony-4-3-8-released
- https://github.com/symfony/symfony/releases/tag/v4.3.8
- https://symfony.com/blog/cve-2019-18886-prevent-user-enumeration-using-switch-user-functionality
- https://symfony.com/blog/symfony-4-3-8-released
Products affected by CVE-2019-18886
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cpe:2.3:a:sensiolabs:symfony:4.2.0
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cpe:2.3:a:sensiolabs:symfony:4.2.1
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cpe:2.3:a:sensiolabs:symfony:4.2.10
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cpe:2.3:a:sensiolabs:symfony:4.2.11
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cpe:2.3:a:sensiolabs:symfony:4.2.2
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cpe:2.3:a:sensiolabs:symfony:4.2.3
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cpe:2.3:a:sensiolabs:symfony:4.2.4
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cpe:2.3:a:sensiolabs:symfony:4.2.5
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cpe:2.3:a:sensiolabs:symfony:4.2.6
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cpe:2.3:a:sensiolabs:symfony:4.2.7
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cpe:2.3:a:sensiolabs:symfony:4.2.8
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cpe:2.3:a:sensiolabs:symfony:4.2.9
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cpe:2.3:a:sensiolabs:symfony:4.3.0
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cpe:2.3:a:sensiolabs:symfony:4.3.1
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cpe:2.3:a:sensiolabs:symfony:4.3.2
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cpe:2.3:a:sensiolabs:symfony:4.3.3
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cpe:2.3:a:sensiolabs:symfony:4.3.4
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cpe:2.3:a:sensiolabs:symfony:4.3.5
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cpe:2.3:a:sensiolabs:symfony:4.3.6
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cpe:2.3:a:sensiolabs:symfony:4.3.7