Advisories

OpenEMR before 8.4.0 FHIR Patient Compartment Bypass via Person Endpoint

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Severity
high
Date
Affecting
  • openemr >= 0, < 8.4.0

CWE
  • CWE-284 Improper Access Control
CVSS
7.1
CVSS V4 Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
Credit
CyberKareem
Description
OpenEMR before 8.4.0 contains an authorization bypass vulnerability in the FHIR GET /fhir/Person/:uuid route that allows patient-portal users to read any staff member's demographics by bypassing compartment enforcement. Attackers holding a patient SMART token with patient/Person.read can harvest staff Person UUIDs from Appointment references to retrieve names, home addresses, phone numbers, and personal emails.

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