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Q1What is this vulnerability? (Essence + Consequences)
🚨 **Essence**: Apache CouchDB has a critical Access Control Error. 📉 **Consequences**: Attackers bypass authentication to gain **Admin Privileges** on default installations. This leads to full system compromise.
Q2Root Cause? (CWE/Flaw)
🛡️ **Root Cause**: **CWE-1188** (Insecure Default Initialization of Resource). The flaw lies in improper security configuration for default setups, allowing unauthorized access.
Q3Who is affected? (Versions/Components)
🎯 **Affected**: **Apache CouchDB** versions **prior to 3.2.2**. Specifically tested on **3.2.1** and below. Built with Erlang.
Q4What can hackers do? (Privileges/Data)
💀 **Attacker Capabilities**: Gain **Admin Privileges** without any login. This allows **Remote Code Execution (RCE)**, data theft, and complete control over the database server.
Q5Is exploitation threshold high? (Auth/Config)
⚡ **Threshold**: **LOW**. Exploitation is easy on **default installations**. No complex auth bypass needed if the default insecure config is present.
Q6Is there a public Exp? (PoC/Wild Exploitation)
🔓 **Public Exploits**: **YES**. Multiple PoCs exist on GitHub (e.g., by @sadshade). Active exploitation tools are available for RCE.
Q7How to self-check? (Features/Scanning)
🔍 **Self-Check**: Scan for **Port 4369** (EPMD). Use Nmap scripts like `erlang_vuln_checker`. Check if default admin credentials are active.
Q8Is it fixed officially? (Patch/Mitigation)
✅ **Fixed**: **YES**. Patched in version **3.2.2**. Upgrade immediately to the latest secure version provided by Apache.