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CVE-2020-37121 Details

ANALYZED

This CVE record has been analyzed and enriched by NVDAPI.com as an independent party.

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 text file with 1982 bytes of buffer and shellcode to trigger remote code execution.

Metrics

CVSS 3.x Severity and Vector Strings:

VolerionCVSS-B:7.7 HIGHVector:CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H

CNA: [email protected]CVSS-B:5.5 MEDIUMVector:CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://nutcrackerssecurity.github.io/posts/windows-exploit-dev-part-7/	[email protected]
https://sourceforge.net/projects/codeblocks/	[email protected]	ProductVendor
https://www.codeblocks.org/	[email protected]	ProductVendor
https://www.vulncheck.com/advisories/codeblocks-buffer-overflow-seh-unicode	[email protected]	Advisory

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-121	Stack-based Buffer Overflow	[email protected]

Affected Products

Product	Versions
Code::Blocks	<= 16.01
CPE cpe:2.3:a:codeblocks:code::blocks:::::::: Remediation No remediation found in references.

Change History

5 change records found show changes

Date	Action	Recorded By
Aug 6, 2026	CVE Modified	[email protected]
Jun 17, 2026	CVE Modified	[email protected]
Jun 17, 2026	CVE Modified	CISA-ADP
Feb 5, 2026	CVE Modified	[email protected]
Feb 5, 2026	New CVE Received	[email protected]