CVE-2020-36243 Command injection in n/a
An authenticated attacker can execute arbitrary OS commands via shell metacharacters in the OpenEMR Patient Portal backup interface.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2020-36243?
CVE-2020-36243 is a high-severity command injection vulnerability in Open-Emr Openemr, published on 7 Feb 2021. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
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.
Weakness: CWE-78
Which versions are affected by CVE-2020-36243?
It affects 1 product.
Products include Open-Emr Openemr.
How do I fix CVE-2020-36243?
No fix has been published for CVE-2020-36243 yet. Limit exposure of the affected software until one is available.
Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.
Is CVE-2020-36243 being exploited?
There is no known exploitation of CVE-2020-36243 in the wild and no public exploit code.
Other vulnerabilities in Open-Emr Openemr
- CVE-2026-24898 OpenEMR has an Unauthenticated MedEx Token Disclosure
- CVE-2026-24849 OpenEMR Arbitrary File Read Vulnerability
- CVE-2026-24908 OpenEMR has SQL Injection in Patient API Sort Parameter
- CVE-2022-2734 Improper Restriction of Rendered UI Layers or Frames in openemr/openemr
- CVE-2024-22611 SQL injection in n/a
Sources
Also known as GHSA-vqv8-75fg-f6w9.