CVE-2023-54347

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

8.7CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N

CVSS 3.1

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

EPSS

0.5% chance of exploitation in the next 30 days; higher than 45% of CVEs (scores of 2026-10-28)

CWE

CWE-307

Published

2026-05-05

Modified

2026-10-28

Record from

the NVD, synced 2026-10-28

Affected

• open-emr:openemr

References

• https://github.com/openemr/openemr/archive/refs/tags/v7_0_1.tar.gz
• https://www.exploit-db.com/exploits/51413
• https://www.open-emr.org/
• https://www.vulncheck.com/advisories/openemr-authentication-brute-force-mitigation-bypass

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