CVE-2020-37121

MEDIUM

CODE::BLOCKS 16.01 - Buffer Overflow

Title source: llm

Description

CODE::BLOCKS 16.01 contains a buffer overflow vulnerability that allows attackers to execute arbitrary code by overwriting Structured Exception Handler with crafted Unicode characters. Attackers can create a malicious M3U playlist file with 536 bytes of buffer and shellcode to trigger remote code execution.

Exploits (1)

exploitdb WORKING POC

by T3jv1l · pythonlocalwindows

https://www.exploit-db.com/exploits/48344

View Code ZIP pw:eip

References (4)

[Exploit, Third Party Advisory] https://www.exploit-db.com/exploits/48344

[Various Sources] https://www.codeblocks.org/

[Product] https://sourceforge.net/projects/codeblocks/

[Third Party Advisory] https://www.vulncheck.com/advisories/codeblocks-buffer-overflow-seh-unicode

Scores

CVSS v3 5.5

EPSS 0.0008

EPSS Percentile 24.6%

Attack Vector LOCAL

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment

Exploitation poc

Automatable no

Technical Impact partial

Details

CWE

CWE-121

Status published

Products (1)

Code::Blocks/Code::Blocks 16.01

Published Feb 05, 2026

Tracked Since Feb 18, 2026