CVE-2021-32968 : Security Advisory and Response
Discover the details of CVE-2021-32968 affecting Moxa NPort IAW5000A-I/O Series firmware. Learn about the impact, technical specifics, and mitigation strategies for this high-severity vulnerability.
A detailed overview of the Moxa NPort IAW5000A-I/O Series Serial Device Server Classic Buffer Overflow vulnerability.
Understanding CVE-2021-32968
This article provides insights into the impact, technical details, and mitigation strategies for CVE-2021-32968.
What is CVE-2021-32968?
CVE-2021-32968 involves two buffer overflows in the built-in web server of Moxa NPort IAW5000A-I/O Series firmware version 2.2 or earlier, potentially leading to a denial-of-service attack.
The Impact of CVE-2021-32968
With a CVSS base score of 7.5, this high-severity vulnerability can be exploited remotely by an attacker to cause a denial-of-service condition due to the buffer overflows.
Technical Details of CVE-2021-32968
Explore the specifics of the vulnerability, affected systems, and the exploitation mechanism.
Vulnerability Description
The vulnerability arises from two buffer overflows in the web server of Moxa NPort IAW5000A-I/O Series firmware versions 2.2 and below, allowing remote attackers to trigger a denial-of-service situation.
Affected Systems and Versions
The flaw impacts Moxa NPort IAW5000A-I/O Series firmware versions up to and including 2.2, leaving them susceptible to attacks exploiting the buffer overflow vulnerabilities.
Exploitation Mechanism
Attackers can exploit the buffer overflows in the web server remotely, utilizing network access to cause a denial-of-service scenario on affected devices.
Mitigation and Prevention
Learn about the immediate steps to secure your systems, as well as long-term security practices and the importance of timely patching.
Immediate Steps to Take
Contact Moxa Technical Support for the necessary security patch designed to address the vulnerabilities in the affected firmware versions.
Long-Term Security Practices
Implement robust security measures, conduct security assessments regularly, and stay informed about potential vulnerabilities to enhance your overall cybersecurity posture.
Patching and Updates
Ensure you apply security patches promptly, stay abreast of security advisories, and follow best practices to safeguard your systems.