CVE-2020-37038

HIGH 7.5

Code Blocks 20.03 - Denial Of Service

CVSS Score

7.5

EPSS Score

0.0%

EPSS Percentile

0th

Code Blocks 20.03 contains a denial of service vulnerability that allows attackers to crash the application by manipulating input in the FSymbols search field. Attackers can paste a large payload of 5000 repeated characters into the search field to trigger an application crash.

CWE	CWE-770
Vendor	code::blocks
Product	code::blocks
Published	Jan 30, 2026
Last Updated	Jul 28, 2026

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CVSS v3 Breakdown

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Affected Versions

Code::Blocks / Code::Blocks

20.03

References

NVD ↗ CVE.org ↗ EPSS Data ↗

exploit-db.com: https://www.exploit-db.com/exploits/48617 codeblocks.org: http://www.codeblocks.org/ sourceforge.net: https://sourceforge.net/projects/codeblocks vulncheck.com: https://www.vulncheck.com/advisories/code-blocks-denial-of-service

Credits

Paras Bhatia