7.5
Advisory Published
Updated

CVE-2021-33823

First published: Fri 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.

Credit: cve@mitre.org

Affected SoftwareAffected VersionHow to fix
Moxa Mgate Mb3180 Firmware=2.1-build_18113012
MOXA Mgate MB3180

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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.

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