CVE-2022-40482
mediumpriority · track · 21EPSS 0.009 · 59 %ileEUUSEPSS · scored 2026-10-28
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.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode
ssvc
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weaknesses
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affected products (3)
Products and version ranges known to be affected.
also known as (3)
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sources
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references (14)
External citations — patches, advisories, analysis.
- https://cxsecurity.com/cveshow/CVE-2022-40482/cnnvd
- https://ephort.dk/blog/laravel-timing-attack-vulnerability/cnnvd
- https://github.com/ephort/laravel-user-enumeration-democnnvd
- https://github.com/laravel/framework/pull/44069cnnvd
- https://github.com/laravel/framework/releases/tag/v9.32.0cnnvd
- https://nvd.nist.gov/vuln/detail/CVE-2022-40482cnnvd
- https://ephort.dk/blog/laravel-timing-attack-vulnerability/enisa_euvd
- https://github.com/ephort/laravel-user-enumeration-demoenisa_euvd
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