CVE-2020-37121

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.

CVSS v3 5.5 MEDIUM

5.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 1.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://sourceforge.net/projects/codeblocks/
https://www.codeblocks.org/
https://www.exploit-db.com/exploits/48344
https://www.vulncheck.com/advisories/codeblocks-buffer-overflow-seh-unicode

Configurations

No configuration.

History

05 Feb 2026, 22:15

Type	Values Removed	Values Added
CVSS	v2 : ~~unknown~~ v3 : ~~9.8~~	v2 : unknown v3 : 5.5

05 Feb 2026, 17:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-02-05 17:16

Updated : 2026-02-05 22:15

NVD link : CVE-2020-37121

Mitre link : CVE-2020-37121

CVE.ORG link : CVE-2020-37121

JSON object : View

Products Affected

No product.

CWE

CWE-121

Stack-based Buffer Overflow

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