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.

CVSS v4.0

8.7 HIGHCVSS: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

CVSS v3.1

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

EPSS

0.54% chance of exploitation in the next 30 days, 43th percentile

Published

2026-05-05

Updated

2026-05-06

Proof-of-concept exploits (1)

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

References

• CVE Record
• NVD entry

Related

• CVE-2023-54346
• CVE-2023-54348
• CVE-2023-54345
• CVE-2023-54349
• CVE-2023-54344
• CVE-2023-54350