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Vulnerability record · CVE-2023-54347 · published 5 May 2026

CVE-2023-54347: Open-emr openemr improper restriction of authentication attempts vulnerability

Open Emr · Openemr

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.

8.7 CVSS 4.0 High EPSS 0.54% · top 57.0% CWE-307 · Improper restriction of authentication attempts
8.7CVSS 4.0 base score
0.54%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References, 1 tagged exploit
17 Jun 2026Last modified by NVD

Description

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.

CVSS: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:

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/openemr/openemr/archive/refs/tags/v7_0_1.tar.gz Product
https://www.exploit-db.com/exploits/51413 ExploitVDB Entry
https://www.open-emr.org/ Product
https://www.vulncheck.com/advisories/openemr-authentication-brute-force-mitigation-bypass Third Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2023-54347), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.