CVE-2020-37121

MEDIUM
2026-02-05 [email protected]
5.5
CVSS 3.1
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CVSS Vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Attack Vector
Local
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

Lifecycle Timeline

3
Analysis Generated
Mar 12, 2026 - 21:55 vuln.today
PoC Detected
Feb 05, 2026 - 22:15 vuln.today
Public exploit code
CVE Published
Feb 05, 2026 - 17:16 nvd
MEDIUM 5.5

Tags

RCE Buffer Overflow

Description

CODE::BLOCKS 16.01 contains a buffer overflow vulnerability that allows attackers to execute arbitrary code by overwriting Structured Exception Handler with crafted Unicode characters. Attackers can create a malicious M3U playlist file with 536 bytes of buffer and shellcode to trigger remote code execution.

Analysis

CODE::BLOCKS 16.01 contains a buffer overflow vulnerability that allows attackers to execute arbitrary code by overwriting Structured Exception Handler with crafted Unicode characters. [CVSS 5.5 MEDIUM]

Technical Context

Classified as CWE-121 (Stack-based Buffer Overflow). CODE::BLOCKS 16.01 contains a buffer overflow vulnerability that allows attackers to execute arbitrary code by overwriting Structured Exception Handler with crafted Unicode characters. Attackers can create a malicious M3U playlist file with 536 bytes of buffer and shellcode to trigger remote code execution.

Affected Products

CODE::BLOCKS 16.01 contains a buffer overflow vulnerability that allows attackers to execute arbitrary code by overwriting Structured Exception Handle

Remediation

Monitor vendor advisories for a patch. Enable ASLR, DEP/NX, and stack canaries where possible.

Priority Score

48
Low Medium High Critical
KEV: 0
EPSS: +0.1
CVSS: +28
POC: +20

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CVE-2020-37121 vulnerability details – vuln.today
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