CVE-2023-54347

OpenEMR 7.0.1 Authentication Brute Force Mitigation Bypass

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

Open-Emr · OpenEMR

CVSS v4.0 VULNCHECK

8.7 HIGHCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

CVSS v3.1 VULNCHECK

7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

EPSS

0.54% chance of exploitation in the next 30 days, 44th percentile

Published

2026-05-05

Updated

2026-05-06

Proof-of-concept exploits (1)

• https://www.exploit-db.com/exploits/51413

Security advisories

• https://www.vulncheck.com/advisories/openemr-authentication-brute-force-mitigation-bypass
• openemr/openemr/archive/refs/tags/v7_0_1.tar.gz
• https://www.open-emr.org

References

• CVE Record
• NVD entry