CVE-2021-2456 — AI Deep Analysis Summary

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

🔓 **Threshold**: **Extremely Low**. 🚫 **Auth Required**: None (PR:N). 🌍 **Access**: Network (AV:N). 🖱️ **User Interaction**: None (UI:N). 🎯 **Complexity**: Low (AC:L). Anyone on the network can exploit this instantly.

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

💻 **Public Exploit**: **YES**. 📂 **PoC Available**: GitHub repo by `peterjson31337` exists. 🌐 **Wild Exploitation**: Referenced by Zero Day Initiative (ZDI-21-885). Active exploitation risk is high.

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

🩹 **Official Fix**: **YES**. Oracle released a patch in the **July 2021 Critical Patch Update (CPU)**. 🔗 **Ref**: Check Oracle Security Alerts CPUJul2021. Apply the latest security patches immediately.

Q: Is it urgent? (Priority Suggestion)

🔥 **Urgency**: **CRITICAL**. 🚨 **Priority**: **P0/Immediate Action**. CVSS Score is likely **9.8** (Critical). Unauthenticated remote code execution/access is a top-tier threat. Patch NOW or isolate immediately.

Updated May 08, 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 (BI EE) has a critical security flaw. 💥 **Consequences**: Attackers can gain full control via HTTP.…

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Q2Root Cause? (CWE/Flaw)

🛡️ **Root Cause**: The data does not specify a CWE ID. However, the flaw lies in the **Analytics Web General** component.…

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Q3Who is affected? (Versions/Components)

🏢 **Affected**: Oracle Corporation. 📦 **Product**: Oracle Fusion Middleware → **Oracle Business Intelligence Enterprise Edition**. 📅 **Published**: July 20, 2021.…

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Q4What can hackers do? (Privileges/Data)

🕵️ **Hackers' Power**: They can execute arbitrary actions without logging in. 📊 **Data Access**: Full read/write access. 🌐 **Impact**: High impact on Confidentiality (C:H), Integrity (I:H), and Availability (A:H).…

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Q5Is exploitation threshold high? (Auth/Config)

🔓 **Threshold**: **Extremely Low**. 🚫 **Auth Required**: None (PR:N). 🌍 **Access**: Network (AV:N). 🖱️ **User Interaction**: None (UI:N). 🎯 **Complexity**: Low (AC:L). Anyone on the network can exploit this instantly.

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

💻 **Public Exploit**: **YES**. 📂 **PoC Available**: GitHub repo by `peterjson31337` exists. 🌐 **Wild Exploitation**: Referenced by Zero Day Initiative (ZDI-21-885). Active exploitation risk is high.

Q7How to self-check? (Features/Scanning)

🔍 **Self-Check**: Scan for Oracle Fusion Middleware instances. 📡 **Target**: Look for the **Analytics Web General** endpoint. 🛠️ **Tool**: Use the provided PoC script to test for unauthenticated HTTP access.…

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Q8Is it fixed officially? (Patch/Mitigation)

🩹 **Official Fix**: **YES**. Oracle released a patch in the **July 2021 Critical Patch Update (CPU)**. 🔗 **Ref**: Check Oracle Security Alerts CPUJul2021. Apply the latest security patches immediately.

Q9What if no patch? (Workaround)

🚧 **No Patch?**: Isolate the server. 🚫 **Block Access**: Restrict HTTP access to the Analytics component via firewall.…

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Q10Is it urgent? (Priority Suggestion)

🔥 **Urgency**: **CRITICAL**. 🚨 **Priority**: **P0/Immediate Action**. CVSS Score is likely **9.8** (Critical). Unauthenticated remote code execution/access is a top-tier threat. Patch NOW or isolate immediately.

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