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Vulnerability record · CVE-2023-41721 · published 25 October 2023

CVE-2023-41721: Ui unifi network application improper access control vulnerability

Ui · Unifi Network Application

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.

5.3 CVSS 3.1 Medium EPSS 0.59% · top 54.0% CWE-284 · Improper access control
5.3CVSS 3.1 base score
0.59%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

Description

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.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://community.ui.com/releases/Security-Advisory-Bulletin-036-036/81367bc9-2a64-4435-95dc-bbe482457615 Issue TrackingVendor Advisory
https://community.ui.com/releases/Security-Advisory-Bulletin-036-036/81367bc9-2a64-4435-95dc-bbe482457615 Issue TrackingVendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.1CVE-2023-28365Ui unifi network application command injection vulnerabilityA backup file vulnerability found in UniFi applications (Version 7.3.83 and earlier) running on Linux operating systems allows application administra…EPSS 0.76%8.8CVE-2026-55114Ui unifi network application improper access control vulnerabilityA malicious actor with access to the network and low privileges could exploit an Improper Access Control vulnerability found in UniFi Network Applica…EPSS 0.47%8.7CVE-2026-54406Ui unifi network application path traversal vulnerabilityA malicious actor with access to the network and high privileges could exploit a Path Traversal vulnerability found in self-hosted instances of UniFi…EPSS 0.59%8.3CVE-2026-55118Ui unifi network application improper access control vulnerabilityA malicious actor with access to the network,low privileges and under certain conditions could exploit an Improper Access Control vulnerability found…EPSS 0.37%7.8CVE-2024-42025Ui unifi network application command injection vulnerabilityA Command Injection vulnerability found in a Self-Hosted UniFi Network Servers (Linux) with UniFi Network Application (Version 8.3.32 and earlier) al…EPSS 0.82%7.5CVE-2026-56842Ui unifi network application incorrect authorization vulnerabilityA malicious actor with access to the network and under certain conditions could exploit an Incorrect Authorization vulnerability found in UniFi Netwo…EPSS 0.36%7.5CVE-2026-54405Ui unifi network application improper input validation vulnerabilityA malicious actor with access to the network could exploit an Improper Input Validation vulnerability found in UniFi Network Application to execute a…EPSS 0.52%4.8CVE-2023-32000Ui unifi network application cross-site scripting vulnerabilityA Cross-Site Scripting (XSS) vulnerability found in UniFi Network (Version 7.3.83 and earlier) allows a malicious actor with Site Administrator crede…EPSS 0.33%

Source: NIST National Vulnerability Database (record CVE-2023-41721), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.