CVE-2020-17383

critical

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.

References

https://www.telosalliance.com/downloads?search=software-updates#downloadListing

https://sra.io/blog/this-traversal-had-a-face-for-radio-cve-2020-17383/

https://sra.io/blog-post/

Details

Source: Mitre, NVD

Published: 2022-01-24

Updated: 2026-06-17

Risk Information

CVSS v2

Base Score: 10

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C

Severity: Critical

CVSS v3

Base Score: 9.8

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Severity: Critical

EPSS

EPSS: 0.06292