CVE-2023-3368

Chamilo LMS Unauthenticated Command Injection

9.8 Critical

Command injection in /main/webservices/additional_webservices.php in Chamilo LMS <= v1.11.20 allows unauthenticated attackers to obtain remote code execution via improper neutralisation of special characters. This is a bypass of CVE-2023-34960.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: None

What an attacker can affect

Confidentiality: High
Integrity: High
Availability: High

Exploit likelihood

69.7%Up 69.6 points since Nov 28, 2023

What each source reports

CVE List Score used 9.8

Chamilo LMS Unauthenticated Command Injection

Record: CVE-2023-3368
CVSS 3.1: 9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness: CWE-78
Updated: 2026-11-02

EUVDEUVD-2023-44035 9.8

Record: EUVD-2023-44035
CVSS 3.1: 9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated: 2026-11-02

GitHub AdvisoriesGHSA-x9xc-jg9p-2j7f 9.8

Command injection in `/main/webservices/additional_webservices.php` in Chamilo LMS <= v1.11.20...

Record: GHSA-x9xc-jg9p-2j7f
CVSS 3.1: 9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness: CWE-78
Updated: 2026-11-02

NVD 9.8

Record: CVE-2023-3368
CVSS 3.1: 9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness: CWE-78
Updated: 2026-11-02

OSV 9.8

Chamilo LMS Unauthenticated Command Injection

Record: CVE-2023-3368
CVSS 3.1: 9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness: CWE-78
Updated: 2026-11-02

Affected products

chamilo

Public exploits

Links only. Every CVE stores no exploit code.

Public exploits
Source	Link	Date
Nuclei	Chamilo LMS <= v1.11.20 Unauthenticated Command Injection

History

History
Recorded	Changed	Sources
Nov 2, 2026	first indexed	CVE List, EUVD, GitHub Advisories, Nuclei, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2023-3368 is a critical vulnerability (CVSS 9.8) in Chamilo, published November 28, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 69.7%, the 99th percentile. No source names a fixed version.