The Patient Portal of OpenEMR 5.0.2.1 is affected by a incorrect access control system in portal/patient/_machine_config.php.

published 2021-05-07 5y ago modified 2026-06-17 4mo ago also EUVD-2021-18960

cvss: 8.2; version 3.1, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 1.2%; EPSS 1.2% chance of exploitation in 30 days, percentile 67%
public exploits: 0; none known

The Patient Portal of OpenEMR 5.0.2.1 is affected by a incorrect access control system in portal/patient/_machine_config.php. To exploit the vulnerability, an unauthenticated attacker can register an account, bypassing the permission check of this portal's API. Then, the attacker can then manipulate and read data of every registered patient.

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Exploit prediction

1.18% chance of exploitation in the next 30 days, higher than 67% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by	version	score	vector
NVD	3.1	8.2	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N
NVD	2.0	6.4	AV:N/AC:L/Au:N/C:P/I:P/A:N

Classification

Weakness

CWE-732 Incorrect Permission Assignment for Critical Resource

References

community.open-emr.org /t/openemr-5-0-2-patch-5-has-been-released/15431
vendor-advisory
blog.sonarsource.com /openemr-5-0-2-1-command-injection-vulnerability
third-party-advisory
community.sonarsource.com /t/openemr-5-0-2-1-command-injection-vulnerability-puts-health-records-at-risk/33592
third-party-advisory
portswigger.net /daily-swig/healthcare-security-openemr-fixes-serious-flaws-that-lead-to-command-execution-in-patient-portal
third-party-advisory

Sources

CVE List CVE-2021-32101
NVD CVE-2021-32101

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