CVE-2020-37038

Code Blocks 20.03 - Denial Of Service

Published Jan 30, 2026 CVSS 4.0 · 4.6 Medium EPSS < 1% KEV · Not listed
Description
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Codeblocks code\\
CPEs cpe:2.3:a:codeblocks:code\\:20.03:*:*:*:*:*:*:*
Vendors & Products Codeblocks code\\
Type Values Removed Values Added
First Time appeared Codeblocks
Codeblocks code::blocks
Vendors & Products Codeblocks
Codeblocks code::blocks
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description 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.
Title Code Blocks 20.03 - Denial Of Service
Weaknesses CWE-770
References
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'}

cvssV4_0

{'score': 4.6, 'vector': 'CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
VulnCheck
Published
Updated
Jul 28, 2026, 1:47 AM
Reserved
Jan 28, 2026, 6:18 PM
Status
Deferred
Published
Jan 30, 2026, 11:16 PM
Modified
Jun 17, 2026, 3:16 AM