Local Buffer Overflow in Code Blocks 17.12 by Code Blocks
CVE-2020-37040

8.4HIGH

Key Information:

Vendor

Code::blocks

Status
Code::blocks
Vendor
CVE Published:
30 January 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2020-37040?

A local buffer overflow vulnerability exists in Code Blocks 17.12, where attackers can exploit the file name input during project creation. By entering a specially crafted file name containing Unicode characters, an attacker may execute arbitrary code on the host machine. This exploitation can allow for the execution of system commands, posing serious risks to users relying on this development environment.

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Affected Version(s)

Code::Blocks 17.12

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2020-37040 - Proof of Concept

References

https://www.exploit-db.com/exploits/48594
exploit
http://www.codeblocks.org/
product
https://sourceforge.net/projects/codeblocks
product

CVSS V4

Score:
8.4
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
Unknown

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Paras Bhatia
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