Quest KACE Systems Management Appliance (SMA) 13.0.x before 13.0.385, 13.1.x before 13.1.81, 13.2.x before 13.2.183, 14.0.x before 14.0.341 (Patch 5), and 14.1.x before 14.1.101 (Patch 4) contains a logic flaw in its two-factor authentication implementation that allows authenticated users to bypass TOTP-based 2FA requirements. The vulnerability exists in the 2FA validation process and can be exploited to gain elevated access.
The product requires authentication, but the product has an alternate path or channel that does not require authentication.