CVE-2019-9101

Severity: high (CVSS 7.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.0% 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-319

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. Sensitive information is sent to the web server in cleartext, which may allow an attacker to discover the credentials if they are able to observe traffic between the web browser and the server.

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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