CVE-2020-37040
High
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.
SeverityHigh
CVSS8.4
Exploit probability—
ProductCode::Blocks
PublishedJan 30, 2026
First seenJan 30, 2026
Weakness typeCWE-120CWE-120
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Code::Blocks Code::Blocks | 17.12 | — |
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