CVE-2020-17383

9.8 criticalEPSS 4.3%

Critical (9.8) in telosalliance z\/ip one firmware. EPSS 4.3% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

9.8 critical

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

EPSS: 4.3% chance of exploitation in the next 30 days; higher than 91% of CVEs (scores of 2026-10-31)
CWE: CWE-22
Published: 2022-01-24
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

telosalliance:z\/ip_one_firmware

References

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