CVE-2020-36243

What it is

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.

At a glance

Exploitability

Can be exploited over the network with a low-privilege account. High risk of data exposure, data tampering, service disruption.

Exploit odds

64.1% chance of exploitation in the next 30 days (EPSS). Higher than most.

Fix

A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

1. 2021-02-07 00:00 UTC ReservedThe CVE id was reserved by its CNA
2. 2021-02-07 20:15 UTC PublishedDisclosed publicly on CVE.org and NVD
3. 2024-11-21 05:29 UTC Fix referencedNVD first recorded a patch, advisory or mitigation link
4. 2026-06-17 03:15 UTC Last updatedMost recent change to the record

Why it ranks here

• Exploited in the wild: no, CISA does not list it.
• Exploit odds: 64.1% in the next 30 days (EPSS).
• Severity: 8.8 HIGH (CVSS).
• Fix: a patch or advisory is linked.

Details

Published

2021-02-07 20:15 UTC

Last modified

2026-06-17 03:15 UTC

Exploit probability

64.1% · EPSS, next 30 days

Weakness

CWE-78 · OS command injection

Record status

Modified

Affected

• open-emr Openemr 5.0.2.1

Attack profile CVSS 3.1 · 8.8

Attack vector

Network

Complexity

Low

Privileges needed

Low

User interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Is it in your code?

Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.

Read https://cve-list.com/agent/cve/CVE-2020-36243.md and follow it. Check whether this project is affected by CVE-2020-36243. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.

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