CVE-2020-37040

Code Blocks 17.12 - 'File Name' Local Buffer Overflow

CVSS 8.4 HIGHEPSS 0.2%CWE-120

Vexday Risk Score

21Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 8.4EPSS 0.2%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

30 Jan 2026Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

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.

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

Affected products

Code::Blocks · Code::Blocks

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References

https://sourceforge.net/projects/codeblocks https://www.exploit-db.com/exploits/48594 https://www.vulncheck.com/advisories/code-blocks-file-name-local-buffer-overflow http://www.codeblocks.org/