CVE-2023-54347
CVE-2023-54347 is a high-severity vulnerability in Open-emr Openemr with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-307.
Key facts
- Severity: High (CVSS 3.x base score 7.5)
- CVSS v4: 8.7
- EPSS exploit prediction: 1% (41st percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2023-60570
- Weakness: CWE-307
- Affected product: Open-emr Openemr
- Published:
- Last modified:
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.
Frequently asked questions
- What is 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.
- How severe is CVE-2023-54347?
- CVE-2023-54347 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
- Is CVE-2023-54347 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (41st percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2023-54347?
- CVE-2023-54347 affects Open-emr Openemr. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2023-54347?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- Does CVE-2023-54347 have an EU (EUVD) identifier?
- Yes. CVE-2023-54347 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-60570.
- When was CVE-2023-54347 published?
- CVE-2023-54347 was published on 2026-05-05 and last updated on 2026-06-17.
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
Affected products (1)
- cpe:2.3:a:open-emr:openemr:7.0.1:*:*:*:*:*:*:*
More vulnerabilities in Open-emr Openemr
- CVE-2026-24898 — Critical (CVSS 10.0): OpenEMR is a free and open source electronic health records and medical practice management application. Prior to…
- CVE-2026-24848 — Critical (CVSS 9.9): OpenEMR is a free and open source electronic health records and medical practice management application. In 7.0.4 and…
- CVE-2026-24908 — Critical (CVSS 9.9): OpenEMR is a free and open source electronic health records and medical practice management application. Prior to…
- CVE-2026-24849 — Critical (CVSS 9.9): OpenEMR is a free and open source electronic health records and medical practice management application. Prior to…
- CVE-2024-22611 — Critical (CVSS 9.8): OpenEMR 7.0.2 is vulnerable to SQL Injection via \openemr\library\classes\Pharmacy.class.php,…
- CVE-2024-37734 — Critical (CVSS 9.8): An issue in OpenEMR 7.0.2 allows a remote attacker to escalate privileges viaa crafted POST request using the noteid…
All CVEs affecting Open-emr Openemr →
Other CWE-307 (Improper Restriction of Excessive Authentication Attempts) vulnerabilities
- CVE-2026-6853 — Critical (CVSS 9.8): Improper restriction of excessive authentication attempts vulnerability in Başbelen Group Food Cafe Businesses…
- CVE-2026-8760 — Critical (CVSS 9.8): The Login with OTP plugin for WordPress is vulnerable to authentication bypass in all versions up to, and including,…
- CVE-2020-37228 — Critical (CVSS 9.8): iDS6 DSSPro Digital Signage System 6.2 contains a CAPTCHA security bypass vulnerability that allows attackers to bypass…
- CVE-2026-33879 — Critical (CVSS 9.8): Federated Learning and Interoperability Platform (FLIP) is an open-source platform for federated training and…
- CVE-2026-33640 — Critical (CVSS 9.8): Outline is a service that allows for collaborative documentation. Outline implements an Email OTP login flow for users…
- CVE-2026-31851 — Critical (CVSS 9.8): Nexxt Solutions Nebula 300+ firmware through version 12.01.01.37 does not implement rate limiting or account lockout…
Browse all CWE-307 (Improper Restriction of Excessive Authentication Attempts) vulnerabilities →