CVE-2022-40482
MEDIUMLaravel Framework 8.0.0-8.83.24 - User Enumeration via Timing Attack
Title source: llmDescription
The authentication method in Laravel 8.x through 9.x before 9.32.0 was discovered to be vulnerable to user enumeration via timeless timing attacks with HTTP/2 multiplexing. This is caused by the early return inside the hasValidCredentials method in the Illuminate\Auth\SessionGuard class when a user is found to not exist.
References (4)
Core 4
Core References
Exploit, Technical Description, Third Party Advisory
https://ephort.dk/blog/laravel-timing-attack-vulnerability/
Exploit, Third Party Advisory
https://github.com/ephort/laravel-user-enumeration-demo
Patch, Vendor Advisory
https://github.com/laravel/framework/pull/44069
Scores
CVSS v3
5.3
EPSS
0.0088
EPSS Percentile
54.3%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
CISA SSVC
Vulnrichment
Exploitation
poc
Automatable
yes
Technical Impact
partial
Details
CWE
CWE-203
Status
published
Products (1)
laravel/framework
8.0.0 - 8.83.24
Published
Apr 25, 2023
Tracked Since
Feb 18, 2026