CVE-2020-37121
MEDIUM EPSS 10.9%
Published Feb 5, 20264mo ago · Modified Jun 17, 20261w ago
6.7 CVSS 4.0
Published Feb 5, 2026 4mo ago
Last Modified Jun 17, 2026 1w ago
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.
CVSS Details
Base Score
Exploitability
Impact
Vector string
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X Attack Vector Local
Attack Complexity Low
Privileges Required None
User Interaction A
Scope X
Threat Intelligence
EPSS Exploit Probability
10.9% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available
Weaknesses 1
CWE-121
References 4
- sourceforge.net https://sourceforge.net/projects/codeblocks/
- codeblocks.org https://www.codeblocks.org/
- exploit-db.com https://www.exploit-db.com/exploits/48344
- vulncheck.com https://www.vulncheck.com/advisories/codeblocks-buffer-overflow-seh-unicode
Remediation
No remediation data recorded yet
Check vendor advisories and the NVD entry for patch availability.