CVE-2020-17383 json
A directory traversal vulnerability on Telos Z/IP One devices through 4.0.0r grants an unauthenticated individual root level access to the…
published 2022-01-24 4 y ago modified 2026-06-17 4 mo ago also EUVD-2020-9336
- cvss
- 9.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 4.3%
- EPSS 4.3% chance of exploitation in 30 days, percentile 91%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
Exploit prediction
4.25% chance of exploitation in the next 30 days, higher than 91% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- sra.io https://sra.io/blog/this-traversal-had-a-face-for-radio-cve-2020-17383/ referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 10.0 | AV:N/AC:L/Au:N/C:C/I:C/A:C |
Classification
- Weakness
-
- CWE-22 Improper Limitation of a Pathname to a Restricted Directory
References
-
sra.io
/blog/this-traversal-had-a-face-for-radio-cve-2020-17383/
exploit, patch, third-party-advisory
-
telosalliance.com
/downloads?search=software-updates#downloadListing
vendor-advisory
-
sra.io
/blog-post/
broken-link
Sources
- CVE List CVE-2020-17383
- NVD CVE-2020-17383
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