What’s Vulnerable › Vulnerabilities

CVE-2019-9103

• Severity: medium (CVSS 5.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2020-03-11 · updated 2026-06-17
• Weakness: CWE-200

Description

An issue was discovered on Moxa MGate MB3170 and MB3270 devices before 4.1, MB3280 and MB3480 devices before 3.1, MB3660 devices before 2.3, and MB3180 devices before 2.1. An attacker can access sensitive information (e.g., conduct username disclosure attacks) on the built-in WEB-service without authorization.

Affected products

• Moxa Mb3170 Firmware: through 4.0
• Moxa Mb3180 Firmware: through 2.0
• Moxa Mb3270 Firmware: through 4.0
• Moxa Mb3280 Firmware: through 3.0
• Moxa Mb3480 Firmware: through 3.0
• Moxa Mb3660 Firmware: through 2.2

References

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

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