What is CVE-2023-1749?

CVE-2023-1749 is a medium-severity vulnerability in Getnexx Nxal-100, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 6.5/10. Published 2023-04-04.

How severe is CVE-2023-1749?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Auth bypass in Getnexx Nxal-100

CVE-2023-1749

The listed versions of Nexx Smart Home devices lack proper access control when executing actions. An attacker with a valid NexxHome deviceId could send API requests that the affected devices would execute.

Vulnerability class: IDOR (Insecure Direct Object Reference)

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

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N.

EPSS exploit prediction

EPSS: 0.005 (40.6th percentile), scored 2026-10-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 41st percentile — 40.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000

Affected products

Weakness classification (CWE)

CWE-639 — Authorization Bypass Through User-Controlled Key

References

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

Frequently asked questions

What is CVE-2023-1749?: CVE-2023-1749 is a medium-severity vulnerability in Getnexx Nxal-100, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 6.5/10. Published 2023-04-04.
How severe is CVE-2023-1749?: Medium severity. CVSS v3 base score is 6.5 out of 10.