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Vulnerabilities CVE-2020-37040

CVE-2020-37040

High
Open
TLP:CLEAR

Code Blocks 17.12 - 'File Name' Local Buffer Overflow

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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.

Details

CVSS Score
8.4
EPSS Score
0.19%

8.7th percentile

CVSS Vector
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Confidence
90%
Published
Jan 30, 2026
Last Modified
Jul 28, 2026
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