CVE-2025-47275

Brute Force Authentication Tags of CookieStore Sessions in Auth0-PHP SDK

State
Published
Severity
9.1 Critical
Published
May 15, 2025
Updated
May 22, 2025
Reserved
May 5, 2025

Read the record on cve.org

Description

Auth0-PHP provides the PHP SDK for Auth0 Authentication and Management APIs. Starting in version 8.0.0-BETA1 and prior to version 8.14.0, session cookies of applications using the Auth0-PHP SDK configured with CookieStore have authentication tags that can be brute forced, which may result in unauthorized access. Certain pre-conditions are required to be vulnerable to this issue: Applications using the Auth0-PHP SDK, or the Auth0/symfony, Auth0/laravel-auth0, and Auth0/wordpress SDKs that rely on the Auth0-PHP SDK; and session storage configured with CookieStore. Upgrade Auth0/Auth0-PHP to v8.14.0 to receive a patch. As an additional precautionary measure, rotating cookie encryption keys is recommended. Note that once updated, any previous session cookies will be rejected.

Scores

CVSSScoreVectorSource
3.19.1 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:NGitHub_M

Weaknesses

Affected Products

ProductVersions
auth0-PHPauth0
  • >= 8.0.0-BETA1, < 8.14.0Affected

References

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