CVE-2023-38034

Name: CVE-2023-38034
Creator: NVD / NIST
Published: 2023-08-10T19:15:09.803+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 1.02%

Last modified Jun 17, 2026

CVE-2023-38034 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. A command injection vulnerability in the DHCP Client function of all UniFi Access Points and Switches, excluding the Switch Flex Mini, could allow a Remote Code Execution (RCE). Affected Products: All UniFi Access Points (Version 6.5.53 and earlier) All UniFi Switches (Version 6.5.32 and earlier) -USW Flex Mini excluded. Mitigation: Update UniFi Access Points to Version 6.5.62 or later. Update UniFi Switches to Version 6.5.59 or later.. EPSS estimates a 1.02% chance of exploitation in the next 30 days.

Description

A command injection vulnerability in the DHCP Client function of all UniFi Access Points and Switches, excluding the Switch Flex Mini, could allow a Remote Code Execution (RCE). Affected Products: All UniFi Access Points (Version 6.5.53 and earlier) All UniFi Switches (Version 6.5.32 and earlier) -USW Flex Mini excluded. Mitigation: Update UniFi Access Points to Version 6.5.62 or later. Update UniFi Switches to Version 6.5.59 or later.

Metrics

CVSS 3.1

9.8/10

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

EPSS Probability

1.02%

59.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-77

Affected Software

Vendor	Product	Versions
Ui	Unifi Uap Firmware	<= 6.5.53
Ui	Unifi Switch Firmware	<= 6.5.32

References

https://community.ui.com/releases/Security-Advisory-Bulletin-035-035/91107858-9884-44df-b1c6-63c6499f6e56Issue Tracking, Vendor Advisory
https://community.ui.com/releases/Security-Advisory-Bulletin-035-035/91107858-9884-44df-b1c6-63c6499f6e56Issue Tracking, Vendor Advisory

Timeline

Published: Aug 10, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-38034?

How severe is CVE-2023-38034?

CVE-2023-38034 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 1.02% probability of exploitation in the next 30 days.

How do I fix CVE-2023-38034?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-38034?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST