CVE-2023-3368 Chamilo LMS Unauthenticated Command Injection

Q: Is CVE-2023-3368 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-3368 exists.

Q: How do I fix CVE-2023-3368?

No fix has been published for CVE-2023-3368 yet. Limit exposure of the affected software until one is available.

Critical 9.8 Published 28 Nov 2023 Updated 3 Jun 2025

Unauthenticated attackers can execute arbitrary commands on Chamilo LMS servers via improper input handling in web services.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2023-3368?

CVE-2023-3368 is a critical command injection vulnerability in Chamilo, published on 28 Nov 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

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.

Weakness: CWE-78

Which versions are affected by CVE-2023-3368?

It affects 1 product.

Products include Chamilo Chamilo.

How do I fix CVE-2023-3368?

No fix has been published for CVE-2023-3368 yet. Limit exposure of the affected software until one is available.

Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.

Is CVE-2023-3368 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-3368 exists.

Public exploit code: 1 Nuclei template.

Sources

Also known as GHSA-x9xc-jg9p-2j7f.