CVE-2019-18886

medium

Description

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.

References

https://symfony.com/blog/symfony-4-3-8-released

https://symfony.com/blog/cve-2019-18886-prevent-user-enumeration-using-switch-user-functionality

https://github.com/symfony/symfony/releases/tag/v4.3.8

Details

Source: Mitre, NVD

Published: 2019-11-21

Updated: 2021-07-21

Risk Information

CVSS v2

Base Score: 5

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:N/A:N

Severity: Medium

CVSS v3

Base Score: 5.3

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Severity: Medium