CVE-2020-37038

HIGH

Code Blocks 20.03 - DoS

Title source: llm

Description

Code Blocks 20.03 contains a denial of service vulnerability that allows attackers to crash the application by manipulating input in the FSymbols search field. Attackers can paste a large payload of 5000 repeated characters into the search field to trigger an application crash.

Exploits (1)

exploitdb WORKING POC

by Paras Bhatia · pythondoswindows

https://www.exploit-db.com/exploits/48617

View Code ZIP pw:eip

References (4)

[Exploit, Third Party Advisory] https://www.exploit-db.com/exploits/48617

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

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

[Third Party Advisory] https://www.vulncheck.com/advisories/code-blocks-denial-of-service

Scores

CVSS v3 7.5

EPSS 0.0001

EPSS Percentile 2.3%

Attack Vector NETWORK

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

CISA SSVC

Vulnrichment

Exploitation poc

Automatable yes

Technical Impact partial

Details

CWE

CWE-770

Status published

Published Jan 30, 2026

Tracked Since Feb 18, 2026