UniFi Network Application Security Vulnerability Alert (Bulletin 036)

Attribute	Details
Publication Date	October 23, 2023
Bulletin Version	1.0
Revision	1.0
Vulnerability Description	Improper access control in device adoption; risk of unauthorized access to device configuration
Affected UniFi Network Versions	Up to 7.5.176
Mitigation	Update to Version 7.5.187 or later
CVSS Base Score	10.0 Critical
CVE	CVE-2023-41721 (Mathew Marcus)
Reference Link	https://community.ui.com/releases/UniFi-Network-Application-7-5-187/408b64c5-a485-4a37-843c-31e87140be64

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Affected Products:

• UDM
• UDM-PRO
• UDM-SE
• UDR
• UDW

Summary

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.

Customers of UniHosted are not affected by this vulnerability.

UniHosted

At UniHosted, we stay on top and take care of issues like this (if it affects our users).

If you are looking for a hands-off approach with flexibility and scalability included, you might want to give UniHosted a spin.

We let you control your UniFi networks without the hassle. It’s free to use and takes care of applying updates and maintenance, to ensure your networks run securely.