CVE-2021-44168 — AI Deep Analysis Summary

🚨 **Essence**: A privilege escalation flaw in FortiOS. 📉 **Consequences**: Attackers can bypass security limits via the 'Execute Restore Src-vis' command to gain **Root Shell** access.…

🔍 **Root Cause**: Lack of integrity check when downloading code. 🛠️ **Flaw**: The 'execute restore src-vis' command allows arbitrary code execution via `LD_PRELOAD` tricks. 📝 **CWE**: Not specified in data.

🏢 **Vendor**: Fortinet. 📦 **Product**: FortiOS (FortiGate Security Platform). 📅 **Affected**: Versions **before 7.0.3**. 🌍 **Scope**: Firewalls running vulnerable FortiOS.

👑 **Privileges**: Escalates to **Root** level. 📂 **Data**: Full control over the firewall. 🛠️ **Action**: Hackers can execute arbitrary CLI commands and drop shells.…

⚠️ **Threshold**: **Low** for authenticated users. 🔑 **Auth**: Requires Local User (PR:L). 🖱️ **UI**: No user interaction needed (UI:N). 🌐 **Network**: Local access required (AV:L). 📉 **Complexity**: Low (AC:L).

💣 **Public Exploit**: **YES**. 📂 **PoC**: Available on GitHub (0xhaggis/CVE-2021-44168). 🛠️ **Details**: Compiles a tool to generate malicious packages that drop a shell. 🌐 **Wild Exploit**: Active PoC exists.

🔎 **Check**: Verify FortiOS version. 📉 **Threshold**: < 7.0.3 is vulnerable. 📡 **Scan**: Look for 'execute restore src-vis' usage in logs. 📋 **Feature**: Check for unpatched FortiGate devices.

🛡️ **Fixed**: **YES**. ✅ **Patch**: Upgrade to **FortiOS 7.0.3** or later. 📜 **Source**: FortiGuard PSIRT (FG-IR-21-201). 🔄 **Action**: Immediate update recommended.

🚧 **Workaround**: Disable or restrict 'execute restore src-vis' command access. 🚫 **Access Control**: Limit CLI access to trusted admins only.…

🔥 **Urgency**: **HIGH**. 🚨 **Priority**: Critical due to Root access. ⏳ **Time**: Patch immediately. 📢 **Alert**: Public exploit exists; active threat.