CVE-2020-17383
CVE-2020-17383 is a critical-severity vulnerability in Telosalliance Z/ip One Firmware with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-22.
Key facts
- Severity: Critical (CVSS 3.x base score 9.8)
- CVSS v2: 10.0
- EPSS exploit prediction: 4% (90th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-22
- Affected product: Telosalliance Z/ip One Firmware
- Published:
- Last modified:
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.
Frequently asked questions
- What is CVE-2020-17383?
- 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.
- How severe is CVE-2020-17383?
- CVE-2020-17383 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2020-17383 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (90th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2020-17383?
- CVE-2020-17383 affects Telosalliance Z/ip One Firmware. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2020-17383?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
- When was CVE-2020-17383 published?
- CVE-2020-17383 was published on 2022-01-24 and last updated on 2026-06-17.
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
Affected products (1)
- cpe:2.3:o:telosalliance:z\/ip_one_firmware:*:*:*:*:*:*:*:*
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