CVE-2023-2379 Ubiquiti EdgeRouter X Web Service denial of service

High 7.5 Published 28 Apr 2023 Updated 30 Jan 2025

Remote attackers can cause a denial of service on Ubiquiti EdgeRouter X devices via the web service.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2023-2379?

CVE-2023-2379 is a high-severity denial of service vulnerability in Ubiquiti EdgeRouter X, published on 28 Apr 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

A vulnerability classified as critical has been found in Ubiquiti EdgeRouter X up to 2.0.9-hotfix.6. This affects an unknown part of the component Web Service. The manipulation leads to denial of service. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. The associated identifier of this vulnerability is VDB-227655.

Weakness: CWE-404

Which versions are affected by CVE-2023-2379?

It affects 2 products.

Products include Ui Er-X-Sfp Firmware, Ui Er-X Firmware.

How do I fix CVE-2023-2379?

No fix has been published for CVE-2023-2379 yet. Limit exposure of the affected software until one is available.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2023-2379 being exploited?

There is no known exploitation of CVE-2023-2379 in the wild and no public exploit code.

Sources

Also known as GHSA-mcpg-92rm-rc27.