CVE-2020-37040 — AI Deep Analysis Summary

Q: Root Cause? (CWE/Flaw)

**🔍 Root Cause**: CWE-121 (Buffer Overflow). **🛠️ Vulnerability Point**: File name input lacks boundary checks, especially mishandles Unicode characters, triggering stack overflow.

Q: Who is affected? (Versions/Components)

**🎯 Affected Scope**: Code::Blocks 17.12 version. **📁 Component**: File name input field during project creation (GUI interface).

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

**🔓 Low Exploitation Barrier**: No authentication required (PR:N), no user interaction needed (UI:N), exploitable by local attackers. **⚡ Difficulty**: Simple, just construct a malicious file name.

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

**🛠️ Exploit Available**: ExploitDB-48594 provides PoC. **🌐 In-the-Wild Exploitation**: Not mentioned, but PoC can be directly reproduced.

Q: What if no patch? (Workaround)

**🛡️ Temporary Workarounds**: Avoid using long Unicode file names; disable project creation feature (impacts usability); or run Code::Blocks in a sandbox environment.

Q: Is it urgent? (Priority Suggestion)

**⚠️ Urgent! High Priority**: CVSS 9.8 (H), local arbitrary code execution, severe impact. **⏱️ Immediate upgrade or temporary mitigation recommended!**

Updated Feb 08, 2026 CVSS 8.4 · High

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)

**🚨 Local Buffer Overflow Vulnerability**: Code::Blocks 17.12 does not validate file name length, leading to a buffer overflow.…

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Q2Root Cause? (CWE/Flaw)

**🔍 Root Cause**: CWE-121 (Buffer Overflow). **🛠️ Vulnerability Point**: File name input lacks boundary checks, especially mishandles Unicode characters, triggering stack overflow.

Q3Who is affected? (Versions/Components)

**🎯 Affected Scope**: Code::Blocks 17.12 version. **📁 Component**: File name input field during project creation (GUI interface).

Q4What can hackers do? (Privileges/Data)

**💻 What Hackers Can Do**: Local privilege escalation → Execute arbitrary system commands (e.g., calc.exe).…

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Q5Is exploitation threshold high? (Auth/Config)

**🔓 Low Exploitation Barrier**: No authentication required (PR:N), no user interaction needed (UI:N), exploitable by local attackers. **⚡ Difficulty**: Simple, just construct a malicious file name.

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

**🛠️ Exploit Available**: ExploitDB-48594 provides PoC. **🌐 In-the-Wild Exploitation**: Not mentioned, but PoC can be directly reproduced.

Q7How to self-check? (Features/Scanning)

**🔍 Self-Check Method**: Verify if using Code::Blocks 17.12. **🔎 Indicator**: File name input field during project creation allows arbitrarily long Unicode characters.…

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Q8Is it fixed officially? (Patch/Mitigation)

**✅ Official Fix Available**: No specific patch link provided, but upgrading to a newer version is recommended.…

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Q9What if no patch? (Workaround)

**🛡️ Temporary Workarounds**: Avoid using long Unicode file names; disable project creation feature (impacts usability); or run Code::Blocks in a sandbox environment.

Q10Is it urgent? (Priority Suggestion)

**⚠️ Urgent! High Priority**: CVSS 9.8 (H), local arbitrary code execution, severe impact. **⏱️ Immediate upgrade or temporary mitigation recommended!**

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Vulnerability detail Full AI analysis (login) Code::Blocks CWE-120