Exposure of Sensitive Information to an Unauthorized Actor
Response discrepancy in the login and password reset forms in SilverStripe CMS before 3.5.5-beta2 and 3.6.x before 3.6.2-beta2 allows remote attackers to enumerate users via timing attacks.
CWE-200 - Information Exposure
An information exposure vulnerability is categorized as an information flow (IF) weakness, which can potentially allow unauthorized access to otherwise classified information in the application, such as confidential personal information (demographics, financials, health records, etc.), business secrets, and the application's internal environment.