Weak password requirements in Moxa products - CVE-2019-9096

Vulnerability identifier: #VU25667

CSH Severity: Medium

CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]

CVE-ID: CVE-2019-9096

CWE-ID: CWE-521

Exploitation vector: Remote access

Exploit availability: No public exploit available

The vulnerability allows an attacker to perform brute-force attack and guess the password.

The vulnerability exists due to weak password requirements. An attacker can perform a brute-force attack and guess users' passwords.

Moxa MGate MB3180 Series
Moxa MGate MB3480 Series
Moxa MGate MB3660 Series
Moxa MGate MB3170 Series
Moxa MGate MB3280 Series
Moxa MGate MB3270 Series

Install updates from vendor's website.

Moxa MGate MB3180 Series - update to 2.1
Moxa MGate MB3480 Series - update to 3.1
Moxa MGate MB3660 Series - update to 2.3
Moxa MGate MB3170 Series - update to 4.1
Moxa MGate MB3280 Series - update to 4.0
Moxa MGate MB3270 Series - update to 4.1

• https://ics-cert.us-cert.gov/advisories/icsa-20-056-01
• https://www.moxa.com/en/support/support/security-advisory/mb3710-3180-3270-3280-3480-3660-vulnerabilities

• Multiple vulnerabilities in Moxa MB3xxx Series Protocol Gateways