CVE-2022-21445 — AI Deep Analysis Summary

Q: Who is affected? (Versions/Components)

🏢 **Affected**: **Oracle Fusion Middleware**. Specifically the **Application Development Framework (ADF)** and **Oracle JDeveloper** products. Published: **April 19, 2022**.

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

💻 **Public Exploits**: **YES**. Multiple PoCs are available on GitHub (e.g., by StevenMeow, M0chae1, hienkiet). Wild exploitation is **highly likely** given the low barrier to entry.

Q: How to self-check? (Features/Scanning)

🔍 **Self-Check**: Scan for **Oracle Fusion Middleware** instances exposing **ADF Faces** endpoints. Look for **deserialization payloads** in HTTP requests. Check if the service is accessible without login credentials.

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

🩹 **Official Fix**: **YES**. Oracle released a patch in the **April 2022 Critical Patch Update (CPU)**. Reference: `cpuapr2022.html`. You must apply this specific update.

Q: Is it urgent? (Priority Suggestion)

🔥 **Urgency**: **CRITICAL / IMMEDIATE ACTION REQUIRED**. 📉 **Priority**: **P0**. With a CVSS of 9.8 and no auth required, this is a **zero-day style** risk. Patch immediately or isolate the system.

Updated May 06, 2026 CVSS 9.8 · Critical

This is a summary of the AI-generated 10-question deep analysis. The full version (longer answers, follow-up Q&A, related CVEs) requires login. Read the full analysis →

Q1What is this vulnerability? (Essence + Consequences)

🚨 **Essence**: Oracle Fusion Middleware (ADF Faces) has a critical **Input Validation Error**. It allows **Remote Code Execution (RCE)** via untrusted data deserialization.…

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Q2Root Cause? (CWE/Flaw)

🛡️ **Root Cause**: **Insecure Deserialization** within the **ADF Faces** component. The system processes untrusted input without proper validation, leading to code execution.…

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Q3Who is affected? (Versions/Components)

🏢 **Affected**: **Oracle Fusion Middleware**. Specifically the **Application Development Framework (ADF)** and **Oracle JDeveloper** products. Published: **April 19, 2022**.

Q4What can hackers do? (Privileges/Data)

🔓 **Attacker Capabilities**: **Full System Takeover**. The vulnerability allows **unauthenticated** access. Attackers gain **High** Confidentiality, Integrity, and Availability impact.…

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Q5Is exploitation threshold high? (Auth/Config)

⚡ **Exploitation Threshold**: **Extremely Low**. 
✅ **Network Accessible**: Yes (HTTP). 
✅ **Authentication Required**: **NO** (Pre-authentication). 
✅ **User Interaction**: **NO**.…

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

💻 **Public Exploits**: **YES**. Multiple PoCs are available on GitHub (e.g., by StevenMeow, M0chae1, hienkiet). Wild exploitation is **highly likely** given the low barrier to entry.

Q7How to self-check? (Features/Scanning)

🔍 **Self-Check**: Scan for **Oracle Fusion Middleware** instances exposing **ADF Faces** endpoints. Look for **deserialization payloads** in HTTP requests. Check if the service is accessible without login credentials.

Q8Is it fixed officially? (Patch/Mitigation)

🩹 **Official Fix**: **YES**. Oracle released a patch in the **April 2022 Critical Patch Update (CPU)**. Reference: `cpuapr2022.html`. You must apply this specific update.

Q9What if no patch? (Workaround)

🚧 **No Patch?**: If you cannot patch immediately: 
1. **Block HTTP Access** to ADF Faces components via Firewall/WAF. 
2. **Enforce Authentication** if possible (though the vuln is pre-auth, restricting access helps).…

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Q10Is it urgent? (Priority Suggestion)

🔥 **Urgency**: **CRITICAL / IMMEDIATE ACTION REQUIRED**. 
📉 **Priority**: **P0**. With a CVSS of 9.8 and no auth required, this is a **zero-day style** risk. Patch immediately or isolate the system.

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