CVE-2023-3545 CRITICAL

CVE-2023-3545: Chamilo LMS Htaccess File Upload Security Bypass

Vendor Chamilo
Product Chamilo
Weakness CWE-178
Published November 28, 2023
Last update August 2, 2024
View on NVD All CVEs

CVSS base score

9.8/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality High
Integrity High

CVSS vector

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

What the vulnerability does

01Description

Improper sanitisation in `main/inc/lib/fileUpload.lib.php` in Chamilo LMS <= v1.11.20 on Windows and Apache installations allows unauthenticated attackers to bypass file upload security protections and obtain remote code execution via uploading of `.htaccess` file. This vulnerability may be exploited by privileged attackers or chained with unauthenticated arbitrary file write vulnerabilities, such as CVE-2023-3533, to achieve remote code execution.

Key dates

02Disclosure timeline

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

Related vulnerabilities

04Related CVE

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