CVE-2023-54347: Open-EMR Openemr

High severity, CVSS 7.5. EPSS: 0.5% chance of exploitation in the next 30 days.

OpenEMR 7.0.1 contains an authentication brute force vulnerability that allows attackers to bypass rate limiting protections by sending repeated login attempts to the main login endpoint. Attackers can submit POST requests with authUser and clearPass parameters to systematically test username and password combinations without account lockout restrictions.

Affected products

Published 2026-05-05. Last modified 2026-06-17.