CVE-2023-54347

Summary

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 Software

Weaknesses

• CWE-307: Improper Restriction of Excessive Authentication Attempts

ADP Enrichment

CISA ADP Vulnrichment

• SSVC:
• Exploitation: poc
  • Automatable: yes
  • Technical Impact: partial

References

• https://www.exploit-db.com/exploits/51413
• https://www.open-emr.org/
• https://github.com/openemr/openemr/archive/refs/tags/v7_0_1.tar.gz
• https://www.vulncheck.com/advisories/openemr-authentication-brute-force-mitigation-bypass

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