Cyber Resilience

CVE-2020-17383

CriticalPublic PoC

Published: 24 January 2022

Published
24 January 2022
Modified
21 November 2024
KEV Added
Patch
CVSS Score v3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS Score 0.0629 91.1th percentile
Risk Priority 23 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2020-17383 is a critical-severity Path Traversal (CWE-22) vulnerability in Telosalliance Z\/Ip One Firmware. Its CVSS base score is 9.8 (Critical).

Operationally, ranked in the top 8.9% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

EU & UK References

Vulnerability details

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…

more

for remote configuration of the device through the WebUI.

CWE(s)

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

telosalliance
z\/ip one firmware
≤ 4.0.0r

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

addresses: CWE-22

Validates pathnames and filenames to prevent traversal outside intended directories.

References