High severity · published May 5, 2026
CVE-2023-54347
OpenEMR 7.0.1 Authentication Brute Force Mitigation Bypass
7.5
CVSS
0.5%
EPSS
No
On KEV
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 vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 45% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
OP
OpenEMR · Open-Emr
7.0.1 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-54347
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-54347
Product
https://github.com/openemr/openemr/archive/refs/tags/v7_0_1.tar.gz
Exploit
https://www.exploit-db.com/exploits/51413
Product
https://www.open-emr.org/
Third Party Advisory
https://www.vulncheck.com/advisories/openemr-authentication-brute-force-mitigation-bypass
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