CVE-2021-33823: High severity moxa mgate mb3180 firmware vulnerability

Published Jun 18, 2021

Updated

An issue was discovered on MOXA Mgate MB3180 Version 2.1 Build 18113012. Attacker could send a huge amount of TCP SYN packet to make web service's resource exhausted. Then the web server is denial-of-service.

Affected Software

2 affected components

MOXA Mgate Mb3180 Firmware=2.1-build_18113012

MOXA Mgate MB3180

Event History

Jun 18, 2021

CVE Published

via MITRE·07:02 PM

Data Sourced

via MITRE·07:02 PM

Description

Frequently Asked Questions

What is CVE-2021-33823?

CVE-2021-33823 is a vulnerability discovered on MOXA Mgate MB3180 Version 2.1 Build 18113012 that allows an attacker to send a huge amount of TCP SYN packets, leading to denial-of-service.

How does CVE-2021-33823 affect MOXA Mgate MB3180 Firmware?

CVE-2021-33823 affects MOXA Mgate MB3180 Firmware version 2.1 Build 18113012, making it susceptible to a denial-of-service attack.

What is the severity of CVE-2021-33823?

CVE-2021-33823 has a severity rating of 7.5 (High).

How can an attacker exploit CVE-2021-33823?

An attacker can exploit CVE-2021-33823 by sending a large number of TCP SYN packets, overwhelming the web service and causing a denial-of-service condition.

Is MOXA Mgate MB3180 vulnerable to CVE-2021-33823?

Yes, MOXA Mgate MB3180 version 2.1 Build 18113012 is vulnerable to CVE-2021-33823.