CVE-2018-15961 — AI Deep Analysis Summary

Q: What is this vulnerability? (Essence + Consequences)

🚨 **Essence**: Unrestricted file upload in Adobe ColdFusion. 📉 **Consequences**: Attackers can upload malicious files (e.g., shells) leading to **Arbitrary Code Execution** (RCE). 💥 Critical impact on server integrity.

Q: Root Cause? (CWE/Flaw)

🛑 **Root Cause**: Lack of input validation on file uploads. 📂 The system fails to restrict file types/extensions. 🧠 **CWE**: Implicitly CWE-434 (Unrestricted Upload of File with Dangerous Type).

Q: Who is affected? (Versions/Components)

🏢 **Vendor**: Adobe. 📦 **Product**: ColdFusion. 📅 **Affected Versions**: • 2018.0.0.310739 (July 12 release) • 2016 Update 6 & earlier • 2018 Update 14 & earlier.

Q: What can hackers do? (Privileges/Data)

🔓 **Privileges**: Full system control via RCE. 📄 **Data**: Access to all server data. 🕸️ **Action**: Execute arbitrary commands on the host OS. 🆘 Highest severity risk.

Q: Is exploitation threshold high? (Auth/Config)

⚡ **Threshold**: LOW. 🔑 **Auth**: Likely no authentication required for the upload endpoint (`/cf_scripts/scripts/ajax/ckeditor/plugins/filemanager/upload.cfm`). 🌐 **Config**: Exploitable via standard HTTP POST requests.

Q: Is there a public Exp? (PoC/Wild Exploitation)

🔥 **Public Exp?**: YES. 📂 **PoC**: Available on GitHub (e.g., `vah13/CVE-2018-15961`). 🐍 **Tools**: Python scripts exist for automated RCE. 🚀 Wild exploitation is highly probable.

Q: Is it fixed officially? (Patch/Mitigation)

🛡️ **Fixed?**: YES. 📝 **Source**: Adobe APSB18-33 advisory. 🔄 **Action**: Update to the latest patched version immediately. 📅 Published: Sept 25, 2018.

Q: What if no patch? (Workaround)

🚧 **No Patch?**: 1. Block external access to `/cf_scripts/` directory. 🚫 2. Disable CKEditor file manager if not needed. 🛑 3. Implement WAF rules to block suspicious file uploads.

Q: Is it urgent? (Priority Suggestion)

🔴 **Priority**: CRITICAL. 🚨 **Urgency**: IMMEDIATE. ⚠️ Since public exploits exist and RCE is possible, patch or mitigate NOW. Do not wait.

Updated May 06, 2026

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Q1What is this vulnerability? (Essence + Consequences)

🚨 **Essence**: Unrestricted file upload in Adobe ColdFusion. 📉 **Consequences**: Attackers can upload malicious files (e.g., shells) leading to **Arbitrary Code Execution** (RCE). 💥 Critical impact on server integrity.

Q2Root Cause? (CWE/Flaw)

🛑 **Root Cause**: Lack of input validation on file uploads. 📂 The system fails to restrict file types/extensions. 🧠 **CWE**: Implicitly CWE-434 (Unrestricted Upload of File with Dangerous Type).

Q3Who is affected? (Versions/Components)

🏢 **Vendor**: Adobe. 📦 **Product**: ColdFusion. 📅 **Affected Versions**: 
• 2018.0.0.310739 (July 12 release)
• 2016 Update 6 & earlier
• 2018 Update 14 & earlier.

Q4What can hackers do? (Privileges/Data)

🔓 **Privileges**: Full system control via RCE. 📄 **Data**: Access to all server data. 🕸️ **Action**: Execute arbitrary commands on the host OS. 🆘 Highest severity risk.

Q5Is exploitation threshold high? (Auth/Config)

⚡ **Threshold**: LOW. 🔑 **Auth**: Likely no authentication required for the upload endpoint (`/cf_scripts/scripts/ajax/ckeditor/plugins/filemanager/upload.cfm`). 🌐 **Config**: Exploitable via standard HTTP POST requests.

Q6Is there a public Exp? (PoC/Wild Exploitation)

🔥 **Public Exp?**: YES. 📂 **PoC**: Available on GitHub (e.g., `vah13/CVE-2018-15961`). 🐍 **Tools**: Python scripts exist for automated RCE. 🚀 Wild exploitation is highly probable.

Q7How to self-check? (Features/Scanning)

🔍 **Check**: Scan for the endpoint `/cf_scripts/scripts/ajax/ckeditor/plugins/filemanager/upload.cfm`. 📡 **Indicator**: Look for successful uploads of `.jsp` or `.cfm` files.…

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Q8Is it fixed officially? (Patch/Mitigation)

🛡️ **Fixed?**: YES. 📝 **Source**: Adobe APSB18-33 advisory. 🔄 **Action**: Update to the latest patched version immediately. 📅 Published: Sept 25, 2018.

Q9What if no patch? (Workaround)

🚧 **No Patch?**: 
Block external access to `/cf_scripts/` directory. 🚫 
Disable CKEditor file manager if not needed. 🛑 
Implement WAF rules to block suspicious file uploads.

Q10Is it urgent? (Priority Suggestion)

🔴 **Priority**: CRITICAL. 🚨 **Urgency**: IMMEDIATE. ⚠️ Since public exploits exist and RCE is possible, patch or mitigate NOW. Do not wait.

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