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Advisories

OpenEMR before 8.5.0 Missing Authorization in ccdaservice/ccda_gateway.php C-CDA Disclosure

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Severity
high
Date
Affecting

  • openemr >= 0, < 8.5.0

CWE
  • CWE-639 Authorization Bypass Through User-Controlled Key
CVSS
8.7
CVSS V4 Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Credit
skeletonsec
Description
OpenEMR before 8.5.0 contains a missing authorization vulnerability in ccdaservice/ccda_gateway.php that allows any authenticated low-privilege staff user to retrieve other patients' C-CDA documents. Attackers can request the view or dl action with sequential pid values and their own CSRF token to enumerate and exfiltrate medications, problems, allergies, and immunizations.

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