CVE-2020-37121 - CVE House

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Status published Medium CVE-2020-37121

CODE::BLOCKS 16.01 - Buffer Overflow (SEH) UNICODE

6.7 CVSS

Vulnerability 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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

T3jv1l

References

More from Code::Blocks

View All →

Code Blocks 17.12 - 'File Name' Local Buffer Overflow

Code Blocks 20.03 - Denial Of Service

Affected Vendor

Code::Blocks

View all reports →

Affected Software

Code::Blocks

Vulnerable Versions:

16.01

Timeline

Official Publish: February 5th, 2026

Last Modified: February 6th, 2026

Added to House: July 21st, 2026

CVSS Vectors

V3: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Weaknesses (CWE)

MITRE ATT&CK TTPs

T1190 Exploit Public-Facing Application

T1068 Exploitation for Privilege Escalation

Privilege Escalation

T1055 Process Injection

Defense Evasion

T1105 Ingress Tool Transfer

Command and Control

T1485 Data Destruction