CVE-2023-54347

Name: CVE-2023-54347
Creator: NVD / NIST
Published: 2026-05-05T12:16:17.16+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.7/10EPSS 0.54%

Last modified Jun 17, 2026

CVE-2023-54347 is a high-severity vulnerability rated 8.7/10 on the CVSS scale. 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.. EPSS estimates a 0.54% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

7.5/10

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

CVSS 4.0

8.7/10

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:X/V:X/RE:X/U:X

EPSS Probability

0.54%

41.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-307

Affected Software

Vendor	Product	Versions
Open-Emr	Openemr	7.0.1

References

https://github.com/openemr/openemr/archive/refs/tags/v7_0_1.tar.gzProduct
https://www.exploit-db.com/exploits/51413Exploit, VDB Entry
https://www.open-emr.org/Product
https://www.vulncheck.com/advisories/openemr-authentication-brute-force-mitigation-bypassThird Party Advisory

Timeline

Published: May 5, 2026
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2023-54347?

How severe is CVE-2023-54347?

CVE-2023-54347 has a CVSS score of 8.7/10 (HIGH severity). The EPSS model estimates a 0.54% probability of exploitation in the next 30 days.

How do I fix CVE-2023-54347?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-54347?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST