CVE-2020-36243

The Patient Portal of OpenEMR 5.0.2.1 is affected by a Command Injection vulnerability in /interface/main/backup.php. To exploit the vulnerability, an authenticated attacker can send a POST request that executes arbitrary OS commands via shell metacharacters.

• CWE-78

• https://blog.sonarsource.com/openemr-5-0-2-1-command-injection-vulnerabilityExploit, Third Party Advisory
• https://community.open-emr.org/t/openemr-5-0-2-patch-5-has-been-released/15431Patch, Release Notes, Vendor Advisory
• https://community.sonarsource.com/t/openemr-5-0-2-1-command-injection-vulnerability-puts-health-records-at-risk/33592Patch, Vendor Advisory
• https://www.open-emr.org/wiki/index.php/OpenEMR_PatchesPatch, Vendor Advisory
• https://blog.sonarsource.com/openemr-5-0-2-1-command-injection-vulnerabilityExploit, Third Party Advisory
• https://community.open-emr.org/t/openemr-5-0-2-patch-5-has-been-released/15431Patch, Release Notes, Vendor Advisory
• https://community.sonarsource.com/t/openemr-5-0-2-1-command-injection-vulnerability-puts-health-records-at-risk/33592Patch, Vendor Advisory
• https://www.open-emr.org/wiki/index.php/OpenEMR_PatchesPatch, Vendor Advisory

Published

Feb 7, 2021

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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