CVE-2023-38034

10.08.2023, 19:15

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.

Command Injection

Provider	Type	Base Score	Atk. Vector	Atk. Complexity	Priv. Required	Vector
NIST	NIST	9.8 CRITICAL	NETWORK	LOW	NONE	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
hackerone	CNA	8.3 HIGH				CVSS:3.0/AV:A/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
CVE	ADP	---				---
CISA-ADP	ADP	---				---

Base Score

CVSS 3.x

EPSS Score

Percentile: 85%

Vendor	Product	Version
ui	unifi_uap_firmware	𝑥 ≤ 6.5.53
ui	unifi_switch_firmware	𝑥 ≤ 6.5.32

𝑥

= Vulnerable software versions

Common Weakness Enumeration

CWE-77 - Improper Neutralization of Special Elements used in a Command ('Command Injection')
The software constructs all or part of a command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended command when it is sent to a downstream component.

References

https://community.ui.com/releases/Security-Advisory-Bulletin-035-035/91107858-9884-44df-b1c6-63c6499f6e56