CVEvulnerability
CVE-2019-18886
5.3 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2019-11-21
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 5.3 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
- CVSS 2.0 ([email protected])
- 5.0 MEDIUM — AV:N/AC:L/Au:N/C:P/I:N/A:N
- Weaknesses
- CWE-203
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.
Affected configurations
• sensiolabs symfony (>= 4.2.0 <= 4.2.11)
• sensiolabs symfony (>= 4.3.0 <= 4.3.7)
Related
Weakness · CWE (1)
- CWE-203 Observable Discrepancy weakness
References
- https://github.com/symfony/symfony/releases/tag/v4.3.8 Release Notes
- https://symfony.com/blog/cve-2019-18886-prevent-user-enumeration-using-switch-user-functionality Vendor Advisory
- https://symfony.com/blog/symfony-4-3-8-released Release Notes
- https://github.com/symfony/symfony/releases/tag/v4.3.8 Release Notes
- https://symfony.com/blog/cve-2019-18886-prevent-user-enumeration-using-switch-user-functionality Vendor Advisory
- https://symfony.com/blog/symfony-4-3-8-released Release Notes