CVE-2020-37040 - CVE House

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Status published High CVE-2020-37040

Code Blocks 17.12 - 'File Name' Local Buffer Overflow

8.4 CVSS

Vulnerability Description

Code Blocks 17.12 contains a local buffer overflow vulnerability that allows attackers to execute arbitrary code by crafting a malicious file name with Unicode characters. Attackers can trigger the vulnerability by pasting a specially crafted payload into the file name field during project creation, potentially executing system commands like calc.exe.

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:

Paras Bhatia

References

More from Code::Blocks

View All →

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

Code Blocks 20.03 - Denial Of Service

Affected Vendor

Code::Blocks

View all reports →

Affected Software

Code::Blocks

Vulnerable Versions:

17.12

Timeline

Official Publish: January 30th, 2026

Last Modified: February 2nd, 2026

Added to House: July 21st, 2026

CVSS Vectors

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

Weaknesses (CWE)

MITRE ATT&CK TTPs

T1203 Exploitation for Client Execution

T1068 Exploitation for Privilege Escalation

Privilege Escalation

T1055 Process Injection

Defense Evasion

T1105 Ingress Tool Transfer

Command and Control