CVE-2020-17383
9.8
CRITICAL · CVSS 3.1 · EPSS 4.3% (pctl 91)
In your normal cycle
Critical by CVSS (9.8), but no sign of active exploitation.
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.
Scoring
| CVSS | 9.8 (CRITICAL, v3.1) |
|---|---|
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| EPSS | 4.25% — more likely to be exploited than 91% of all CVEs |
| Weakness | CWE-22 |
| On CISA KEV | no |
| Public exploit | none known |
| Published | 2022-01-24 |
| Last modified | 2026-06-17 |
Affected (2)
| Vendor | Product |
|---|---|
| telosalliance | z\/ip one |
| 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/
- https://www.telosalliance.com/downloads?search=software-updates#downloadListing
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