CVE-2023-54347

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.

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CVSS v3.1 Score

7.5

HIGH

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

EPSS — Exploit Prediction

0.0024

Probability of exploitation

0.48%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-307 CWE-307

Affected Products

Vendor	Product	Versions
open-emr	openemr	All

References

Exploits

https://www.exploit-db.com/exploits/51413

Other References

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

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. It has a CVSS v3.1 base score of 7.5 (HIGH).

How severe is CVE-2023-54347? +

CVE-2023-54347 has a CVSS v3.1 score of 7.5 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching. The EPSS score is 0.0024, placing it in the 0th percentile for exploitation probability.

What products are affected by CVE-2023-54347? +

CVE-2023-54347 affects products from open-emr, specifically: openemr. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2023-54347? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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