CVE-2023-4220 HIGH

CVE-2023-4220: Chamilo LMS Unauthenticated Big Upload File Remote Code Execution

Vendor Chamilo
Product Chamilo
Weakness CWE-434 · Unrestricted file upload
Published November 28, 2023
Last update August 2, 2024
View on NVD All CVEs

CVSS base score

8.1/10
Attack vector Network
Attack complexity High
Privileges required None
User interaction None
Confidentiality High
Integrity High

CVSS vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

What the vulnerability does

01Description

Unrestricted file upload in big file upload functionality in `/main/inc/lib/javascript/bigupload/inc/bigUpload.php` in Chamilo LMS <= v1.11.24 allows unauthenticated attackers to perform stored cross-site scripting attacks and obtain remote code execution via uploading of web shell.

Key dates

02Disclosure timeline

November 28, 2023 CVE published
August 2, 2024 Record updated