CVE-2020-29607 — AI Deep Analysis Summary

🚨 **Essence**: Pluck CMS < 4.7.13 has a **File Upload Restriction Bypass**.…

🛠️ **Root Cause**: Inadequate validation of uploaded file extensions/types in the "Manage Files" functionality. 🚫 **Flaw**: Allows execution of server-side scripts (like PHP/Phar) that should be blocked.…

🎯 **Affected**: Pluck CMS versions **before 4.7.13**. 📦 **Component**: The "Manage Files" feature within the admin panel. 🌐 **Vendor**: Pluck CMS (Open Source).

💻 **Action**: Hackers gain **Remote Code Execution (RCE)**. 🔓 **Privileges**: Requires **Admin Privileges** to upload. 📂 **Data**: Full access to the host system via webshell. 🕵️‍♂️ **Impact**: Complete system takeover.

🔑 **Threshold**: **Medium/High**. ⚠️ **Auth Required**: Yes, attacker must have **Admin Privileges**. 🚧 **Barrier**: Cannot exploit anonymously; needs valid admin credentials first.…

🔓 **Public Exp?**: **YES**. 📂 **PoCs**: Multiple GitHub repos (e.g., 0xAbbarhSF, CaelumIsMe) and Exploit-DB (49909) available. 🌍 **Wild Exploitation**: Scripts exist to upload .phar files for webshell access.…

🔍 **Check**: Log in as Admin → Go to "Manage Files". 📤 **Test**: Try uploading a `.phar` or `.php` file. 🚫 **Indicator**: If upload succeeds and file is executable, you are vulnerable.…

✅ **Fixed**: Yes. 📦 **Patch**: Upgrade to **Pluck CMS 4.7.13** or later. 🔄 **Action**: Update the CMS immediately to close the file upload bypass. 🛡️ **Official**: Fix provided by the Pluck CMS project.

🚧 **No Patch?**: Restrict Admin access strictly. 🚫 **Block**: Disable file upload features if not needed. 🛡️ **WAF**: Use Web Application Firewall to block `.phar`/`.php` uploads.…

🔥 **Urgency**: **HIGH**. 🚨 **Priority**: Critical for Admins. ⏳ **Time**: Exploits are public and easy to use. 🛡️ **Action**: Patch immediately to prevent RCE.…