What is the CVSS score of CVE-2023-38034?

CVE-2023-38034 has a CVSS 3.1 base score of 9.8 (Critical). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 1.0%.

Unifi Uap Firmware CVE-2023-38034

CRITICAL

Command Injection (CWE-77)

2023-08-10 support@hackerone.com

Ubiquiti RCE Command Injection Unifi Uap Firmware Unifi Switch Firmware

9.8

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

9.8 CRITICAL

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

CVE Published

Aug 10, 2023 - 19:15 nvd

CRITICAL 9.8

DescriptionNVD

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.

AnalysisAI

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). Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Technical ContextAI

This vulnerability is classified as Command Injection (CWE-77), which allows attackers to inject arbitrary commands into system command execution. 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. Affected products include: Ui Unifi Uap Firmware, Ui Unifi Switch Firmware. Version information: Version 6.5.53.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Use parameterized APIs, avoid shell execution, validate input with strict allowlists.