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Multiple Switch Series Affected by NTP Denial of Service Vulnerability

Published: August 2, 2023

This Alert Is From MOXA

As Industrial IoT (IIoT) adoption continues to proliferate, cybersecurity has become one of the top priorities. The Moxa Product Security Incident Response Team (PSIRT) takes a proactive approach to protect products from cybersecurity vulnerabilities. Moxa PSIRT investigates all reports of vulnerabilities that could potentially affect Moxa products. Moxa created a vulnerability management policy to provide guidance and information to our customers in the event of a reported vulnerability. The management policy ensures that Moxa’s customers have steady, unambiguous resources to help them understand how Moxa resolves or mitigates reported vulnerabilities. For any queries, please email [email protected].

The following vulnerability affects some of Moxa’s switch series. An attacker may consume the CPU and log excessively. 

The identified vulnerability types and potential impacts are shown below:

Item Vulnerability Type Impact
1
Uncontrolled Recursion 
(CWE-674) 
 A remote, unauthenticated attacker may be able to cause a denial-of-service condition on a vulnerable NTP server. 

 

This alert has come from: https://www.moxa.com/en/support/product-support/security-advisory/mpsa-230307-multiple-switch-series-affected-by-ntp-denial-of-service-vulnerability