What is CVE-2023-1751?

CVE-2023-1751 is a high-severity vulnerability in Getnexx Nxal-100, classified under CWE-20 IMPROPER INPUT VALIDATION. CVSS score: 7.5/10. Published 2023-04-04.

How severe is CVE-2023-1751?

High severity. CVSS v3 base score is 7.5 out of 10.

Vulnerability in Getnexx Nxal-100

CVE-2023-1751

The listed versions of Nexx Smart Home devices use a WebSocket server that does not validate if the bearer token in the Authorization header belongs to the device attempting to associate. This could allow any authorized user to receive alarm information and signals meant for other devices which leak a deviceId.

Published 2023-04-04 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.006 (46.0th percentile), scored 2026-10-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 46th percentile — 46.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000

Affected products

References

www.cisa.gov/news-events/ics-advisories/icsa-23-094-01 (US Government Resource, Third Party Advisory)

Frequently asked questions

What is CVE-2023-1751?: CVE-2023-1751 is a high-severity vulnerability in Getnexx Nxal-100, classified under CWE-20 IMPROPER INPUT VALIDATION. CVSS score: 7.5/10. Published 2023-04-04.
How severe is CVE-2023-1751?: High severity. CVSS v3 base score is 7.5 out of 10.