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Openemr EUVDEUVD-2023-60570

| CVE-2023-54347 HIGH
Improper Restriction of Excessive Authentication Attempts (CWE-307)
2026-05-05 VulnCheck
8.7
CVSS 4.0 · Vendor: VulnCheck
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Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A07:2025 - Authentication Failures
ASVS 5.0
V6 - Authentication Brute-force prevention, rate limiting
Impact

CVSS score of 8.7 (HIGH). Attack characteristics: network attack vector, low complexity, no privileges required, no user interaction not required. Public proof-of-concept exploit code is available. EPSS exploitation probability: 0.15%.

Exploit ScenarioDerived

This vulnerability can be exploited remotely over the network. Successful exploitation could compromise the high-severity affected system.

This Week Schedule remediation this week. Why: HIGH severity (CVSS 7.0-8.9).
No patch listed yet 0.1% exploitation probability (EPSS)

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AnalysisAI

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. Rated high severity (CVSS 8.7), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.

Affected VersionsENISA

OpenEMR 7.0.1

Affected Packages

euvd openemr no fix

Source: OSV (Open Source Vulnerabilities)

Affects your stack

Affects 1 package in euvd

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

This vulnerability is classified under CWE-307. 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 products include: Open-Emr Openemr.

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  • Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

Vendor (VulnCheck) PRIMARY 8.7 HIGH
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

Primary rating from Vendor (VulnCheck) · only source for this CVE.

CVSS VectorVendor: VulnCheck

Attack Vector
Network
Attack Complexity
Low
Attack Requirements
None
Privileges Required
None
User Interaction
None
Vulnerable system: Confidentiality
High
Vulnerable system: Integrity
None
Vulnerable system: Availability
None
Subsequent system: Confidentiality
None
Subsequent system: Integrity
None
Subsequent system: Availability
None

Lifecycle Timeline

2
CVSS changed
May 05, 2026 - 12:37 NVD
7.5 (HIGH) 8.7 (HIGH)
CVE Published
May 05, 2026 - 11:24 cve.org
HIGH 8.7

DescriptionCVE.org

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.

Threat Intelligence Overview

EPSS Score
0.1%
Top 65% exploitable
Exploit
POC
Public exploit code exists
Data Quality
7 sources
Confidence: High
EUVD NVD CVE.org EPSS Vulnrichment Exploit-DB GitHub VulDB

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue
Severity HIGH
CISA KEV No
Public POC Yes
EPSS 0.1%
Patch available No
Active threat No
Deciding rule
HIGH severity (CVSS 7.0-8.9)
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived
Scheduled
Exploitation
Poc
System Exposure· derived
Open
Automatable
Yes
Human Impact· derived
Medium
Technical Impact
Partial

Priority Score

64
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +44
PoC: +20
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Authentication bypass attacks exploit flaws in the verification mechanisms that control access to systems and applications.

CVE-2013-10044 HIGH POC
8.7 Aug 01

An authenticated SQL injection vulnerability exists in OpenEMR ≤ 4.1.1 Patch 14 that allows a low-privileged attacker to

CVE-2026-24898 CRITICAL POC
10.0 Mar 03

Unauthenticated token disclosure in OpenEMR before 8.0.0. CVSS 10.0. PoC and patch available.

CVE-2026-24848 CRITICAL POC
9.9 Mar 03

Path traversal in OpenEMR 7.0.4 disposeDocument() allows file access. PoC available.

CVE-2026-24849 CRITICAL POC
9.9 Feb 25

Path traversal in OpenEMR electronic health records before fix allows authenticated users to read arbitrary files on the

CVE-2026-24908 CRITICAL POC
9.9 Feb 25

SQL injection in OpenEMR electronic health records before fix. Authenticated users can execute arbitrary SQL through the

CVE-2024-22611 CRITICAL POC
9.8 Apr 03

OpenEMR 7.0.2 is vulnerable to SQL Injection via \openemr\library\classes\Pharmacy.class.php, \controllers\C_Pharmacy.cl

CVE-2024-37734 CRITICAL POC
9.8 Jun 26

An issue in OpenEMR 7.0.2 allows a remote attacker to escalate privileges viaa crafted POST request using the noteid par

CVE-2026-25146 CRITICAL POC
9.6 Mar 03

Information disclosure in OpenEMR 5.0.2 to before 8.0.0 exposes sensitive data. PoC and patch available.

CVE-2026-39932 CRITICAL POC
9.4 Aug 03

Remote code execution in OpenEMR through 8.2.0 lets an authenticated administrator poison the document category tree so

CVE-2012-0992 HIGH POC
8.5 Feb 07

interface/fax/fax_dispatch.php in OpenEMR 4.1.0 allows remote authenticated users to execute arbitrary commands via shel

CVE-2015-4453 MEDIUM
5.0 Jul 05

interface/globals.php in OpenEMR 2.x, 3.x, and 4.x before 4.2.0 patch 2 allows remote attackers to bypass authentication

CVE-2018-15152 CRITICAL POC
9.1 Aug 15

Authentication bypass vulnerability in portal/account/register.php in versions of OpenEMR before 5.0.1.4 allows a remote

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