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TI-2021-11920 Aliases CVE-2021-31933GHSA-ch7w-rg8w-hgcj

A remote code execution vulnerability exists in Chamilo through 1.11.14 due to improper…

Priority MEDIUM 47CWE-706Published · Updated

Key facts

Attack vector
Network
Privileges required
High
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA.

Summary

A remote code execution vulnerability exists in Chamilo through 1.11.14 due to improper input sanitization of a parameter used for file uploads, and improper file-extension filtering for certain filenames (e.g., .phar or .pht). A remote authenticated administrator is able to upload a file containing arbitrary PHP code into specific directories via main/inc/lib/fileUpload.lib.php directory traversal to achieve PHP code execution.

Why it matters now

EPSS 0.13933 96th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:chamilo:chamilo:*:*:*:*:*:*:*:*up to 1.11.14Vulnerablechamilo
  • cpe:2.3:a:chamilo:chamilo:*:*:*:*:*:*:*:* Versions up to 1.11.14 Vulnerable ·chamilo

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-31933
  2. 2026-10-03 Alias added: GHSA-ch7w-rg8w-hgcj

References

Exploit 1

Patch 3

  • TI-2023-17452 A command injection vulnerability in the wsConvertPpt component of Chamilo v1.11.* up to… CVSS 3.1CRITICAL 9.8
  • TI-2023-03150 Chamilo LMS Unauthenticated Command Injection CVSS 3.1CRITICAL 9.8
  • TI-2022-19180 A zip slip vulnerability in the file upload function of Chamilo v1.11 allows attackers to… CVSS 3.1HIGH 8.8
  • TI-2021-13304 main/inc/ajax/model.ajax.php in Chamilo through 1.11.14 allows SQL Injection via the… CVSS 3.1CRITICAL 9.8
  • TI-2023-03297 Chamilo LMS Unauthenticated Remote Code Execution via Arbitrary File Write CVSS 3.1CRITICAL 9.8
  • TI-2023-03309 Chamilo LMS Htaccess File Upload Security Bypass CVSS 3.1CRITICAL 9.8
See all 25 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences