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Q1What is this vulnerability? (Essence + Consequences)
🚨 **Essence**: METIS DFS exposes an **unauthenticated web shell** at `/console`. <br>💥 **Consequences**: Remote attackers can execute arbitrary OS commands with **daemon privileges**, leading to full system compromise.
Q2Root Cause? (CWE/Flaw)
🛡️ **CWE-306**: Missing Authentication for Critical Function. <br>🔍 **Flaw**: The `/console` endpoint lacks access controls, allowing direct interaction without credentials.
Q3Who is affected? (Versions/Components)
📦 **Product**: METIS DFS (Data Fusion Server). <br>🏢 **Vendor**: METIS Cyberspace Technology SA. <br>⚠️ **Affected**: Versions **2.1.234-r18 and earlier**.
Q4What can hackers do? (Privileges/Data)
👑 **Privileges**: Executes commands as **daemon** user. <br>📂 **Data**: Full read/write access to system files, databases, and configuration. <br>🌐 **Impact**: Complete server takeover.
Q5Is exploitation threshold high? (Auth/Config)
🔓 **Auth**: **None required**. <br>🌍 **Network**: Remote exploitation possible (AV:N). <br>🎯 **Complexity**: Low (AC:L). Extremely easy to trigger.
Q6Is there a public Exp? (PoC/Wild Exploitation)
📝 **PoC**: No public PoC listed in data. <br>🔥 **Wild Exploit**: Likely high risk due to low complexity and lack of auth. Monitor vendor advisories.
Q7How to self-check? (Features/Scanning)
🔍 **Check**: Scan for HTTP response from `/console` endpoint. <br>🕵️ **Test**: Attempt GET/POST requests without authentication headers. <br>📡 **Tools**: Use vulnerability scanners targeting unauthenticated RCE vectors.
Q8Is it fixed officially? (Patch/Mitigation)
🔧 **Fix**: Update to version **> 2.1.234-r18**. <br>📥 **Source**: Check official METIS website or security advisories for patch availability.
Q9What if no patch? (Workaround)
🚫 **Workaround**: Block external access to `/console` via **WAF** or **Firewall rules**. <br>🔒 **Network**: Restrict access to trusted IPs only if possible.
Q10Is it urgent? (Priority Suggestion)
🔴 **Priority**: **CRITICAL**. <br>⚡ **Urgency**: High. CVSS **9.8** (High). Immediate patching or network isolation required to prevent remote code execution.