What’s Vulnerable › Vulnerabilities

CVE-2020-17383

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 4.3% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2022-01-24 · updated 2026-06-17
• Weakness: CWE-22

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.

Affected products

• Telosalliance Z/Ip One Firmware: through 4.0.0r

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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