CVE-2021-34187 — AI Deep Analysis Summary

🚨 **Essence**: Chamilo LMS suffers from a critical **SQL Injection (SQLi)** vulnerability.…

🛡️ **Root Cause**: The flaw lies in `main/inc/ajax/model.ajax.php`.…

🎯 **Affected**: **Chamilo LMS** (Open-source online learning system). 📦 **Versions**: Specifically confirmed in versions **through 1.11.14**. ⚠️ Any instance running these older versions is at risk.

💀 **Capabilities**: Hackers can execute arbitrary SQL commands. 🔓 **Impact**: They can **read**, **modify**, or **delete** database contents.…

🔓 **Threshold**: **LOW**. 🚫 **Auth**: The vulnerability is described as **Unauthenticated** in official security issues.…

🔍 **Public Exp**: **YES**. 📜 **PoC**: Proof of Concept templates are available via **ProjectDiscovery Nuclei**.…

🔎 **Self-Check**: Scan for Chamilo LMS instances. 🧪 **Test**: Send crafted payloads to the `/main/inc/ajax/model.ajax.php` endpoint using the `searchField`, `filters`, or `filters2` parameters.…

🛠️ **Fixed**: **YES**. 📅 **Date**: Patched around **June 2021**. 🔗 **Action**: Check official Chamilo GitHub commits (e.g., `f7f9357` or `005dc8e`) for the specific code fixes.…

🚧 **No Patch?**: If you cannot update, implement **WAF rules** to block SQL keywords in the `searchField`, `filters`, and `filters2` parameters.…

🚨 **Urgency**: **HIGH**. ⏳ **Priority**: **Immediate Action Required**. Since it is **unauthenticated** and has **public PoCs**, the risk of automated exploitation is extreme.…