title: vantage6 username timing attack
description: The vantage6 technology enables to manage and deploy privacy enhancing technologies like Federated Learning (FL) and Multi-Party Computation (MPC).  It is possible to find out usernames from the response time of login requests. This could aid attackers in credential attacks.  Version 4.2.0 patches this vulnerability.
problem types: CWE-208: Observable Timing Discrepancy
affected:
{
vendor: vantage6
product: vantage6
versions:
version: < 4.2.0, status: affected
}
metrics:
cvssV3_1: [
attackComplexity: HIGH
attackVector: NETWORK
availabilityImpact: NONE
baseScore: 3.7
baseSeverity: LOW
confidentialityImpact: LOW
integrityImpact: NONE
privilegesRequired: NONE
scope: UNCHANGED
userInteraction: NONE
vectorString: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
version: 3.1
]