What is CVE-2023-41721?

CVE-2023-41721 is a medium-severity vulnerability in Ubiquiti Unifi Network Application, classified under Improper Access Control. CVSS score: 5.3/10. Published 2023-10-25.

How severe is CVE-2023-41721?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Vulnerability in Ubiquiti Unifi Network Application

CVE-2023-41721

Instances of UniFi Network Application that (i) are run on a UniFi Gateway Console, and (ii) are versions 7.5.176. and earlier, implement device adoption with improper access control logic, creating a risk of access to device configuration information by a malicious actor with preexisting access to the network. Affected Products: UDM UDM-PRO UDM-SE UDR UDW Mitigation: Update UniFi Network to Version 7.5.187 or later.

Published 2023-10-25 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.

EPSS exploit prediction

EPSS: 0.006 (46.0th percentile), scored 2026-09-30.

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

Weakness classification (CWE)

CWE-284 — Improper Access Control

References

community.ui.com/releases/Security-Advisory-Bulletin-036-036/81367bc9-2a64-4435… (Issue Tracking, Vendor Advisory)

Frequently asked questions

What is CVE-2023-41721?: CVE-2023-41721 is a medium-severity vulnerability in Ubiquiti Unifi Network Application, classified under Improper Access Control. CVSS score: 5.3/10. Published 2023-10-25.
How severe is CVE-2023-41721?: Medium severity. CVSS v3 base score is 5.3 out of 10.