CVE-2024-0643 — AI Deep Analysis Summary

Q: Who is affected? (Versions/Components)

🏢 **Affected Vendor**: **Cires21**. 📦 **Products**: **C21 Live Encoder** and **Live Mosaic**. 📅 **Versions**: Specifically **Live Mosaic 5.3** and associated C21 Live Encoder versions.

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

📉 **Exploitation Threshold**: **LOW**. 🔑 **Auth**: None required (PR:N). 🖱️ **Interaction**: None required (UI:N). 🌍 **Vector**: Network accessible (AV:N). ⚡ **Complexity**: Low (AC:L).

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

📂 **Public Exploit**: **No** public PoC or wild exploitation detected in the provided data (pocs: []). ⚠️ **Note**: Despite no public code, the CVSS score indicates it is highly exploitable by any network attacker.

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

🩹 **Official Fix**: **Yes**, a notice was published by **Incibe-CERT** on 2024-01-17. 📥 **Action**: Check vendor updates or patches for Cires21 products to mitigate the code issue.

Q: Is it urgent? (Priority Suggestion)

🔥 **Urgency**: **CRITICAL**. ⏱️ **Priority**: Immediate action required. 📊 **Reason**: CVSS is high, exploitation is easy (no auth), and impact is severe (RCE). Patch or isolate immediately.

Updated May 08, 2026 CVSS 10.0 · 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**: C21 Live Encoder has a critical **Arbitrary File Upload** flaw. <br>💥 **Consequences**: Attackers can upload malicious files, leading to **Remote Code Execution (RCE)**.…

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Q2Root Cause? (CWE/Flaw)

🛡️ **Root Cause**: **CWE-434** (Unrestricted Upload of File with Dangerous Type).…

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Q3Who is affected? (Versions/Components)

🏢 **Affected Vendor**: **Cires21**. <br>📦 **Products**: **C21 Live Encoder** and **Live Mosaic**. <br>📅 **Versions**: Specifically **Live Mosaic 5.3** and associated C21 Live Encoder versions.

Q4What can hackers do? (Privileges/Data)

🕵️ **Attacker Actions**: Upload arbitrary files (e.g., web shells). <br>🔓 **Privileges**: Gain **High** impact on Confidentiality, Integrity, and Availability.…

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Q5Is exploitation threshold high? (Auth/Config)

📉 **Exploitation Threshold**: **LOW**. <br>🔑 **Auth**: None required (PR:N). <br>🖱️ **Interaction**: None required (UI:N). <br>🌍 **Vector**: Network accessible (AV:N). <br>⚡ **Complexity**: Low (AC:L).

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

📂 **Public Exploit**: **No** public PoC or wild exploitation detected in the provided data (pocs: []). <br>⚠️ **Note**: Despite no public code, the CVSS score indicates it is highly exploitable by any network attacker.

Q7How to self-check? (Features/Scanning)

🔍 **Self-Check**: Scan for **C21 Live Encoder** and **Live Mosaic 5.3** services. <br>📡 **Features**: Look for endpoints accepting file uploads without strict validation.…

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Q8Is it fixed officially? (Patch/Mitigation)

🩹 **Official Fix**: **Yes**, a notice was published by **Incibe-CERT** on 2024-01-17. <br>📥 **Action**: Check vendor updates or patches for Cires21 products to mitigate the code issue.

Q9What if no patch? (Workaround)

🚧 **No Patch Workaround**: <br>1. **Restrict Access**: Block network access to the encoder service. <br>2. **Input Validation**: Implement strict file type/extension checks if possible. <br>3.…

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Q10Is it urgent? (Priority Suggestion)

🔥 **Urgency**: **CRITICAL**. <br>⏱️ **Priority**: Immediate action required. <br>📊 **Reason**: CVSS is high, exploitation is easy (no auth), and impact is severe (RCE). Patch or isolate immediately.

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Vulnerability detail Full AI analysis (login) Cires21 CWE-434