CVE-2021-32970 : What You Need to Know
Discover CVE-2021-32970, a high-severity vulnerability in Moxa NPort IAW5000A-I/O Series firmware versions 2.2 and earlier, allowing remote attackers to cause denial-of-service conditions. Learn about the impact, technical details, and mitigation steps.
A detailed analysis of CVE-2021-32970, a vulnerability found in Moxa NPort IAW5000A-I/O Series Serial Device Server firmware versions 2.2 and earlier, allowing remote attackers to cause denial-of-service conditions.
Understanding CVE-2021-32970
This section provides insight into the vulnerability, its impact, technical details, and mitigation strategies.
What is CVE-2021-32970?
The vulnerability in Moxa NPort IAW5000A-I/O Series firmware versions 2.2 and earlier allows remote threat actors to copy data without validation, leading to denial-of-service scenarios.
The Impact of CVE-2021-32970
With a CVSS base score of 7.5 out of 10, this high-severity vulnerability poses a significant threat to affected systems. Exploitation can result in a disruption of service due to unauthenticated data copying.
Technical Details of CVE-2021-32970
Explore the specifics of the vulnerability affecting Moxa NPort IAW5000A-I/O Series firmware.
Vulnerability Description
The flaw lies in the improper input validation within the built-in web server, enabling unauthorized data copying, potentially leading to denial-of-service conditions.
Affected Systems and Versions
Moxa NPort IAW5000A-I/O Series firmware versions 2.2 and earlier are impacted by this vulnerability, exposing them to the risk of data manipulation.
Exploitation Mechanism
Attackers can exploit this flaw remotely over the network without requiring any special privileges, thereby affecting the availability of the system.
Mitigation and Prevention
Discover the necessary steps to mitigate the risks posed by CVE-2021-32970 and safeguard vulnerable systems.
Immediate Steps to Take
Prompt action includes applying security patches provided by Moxa to address the vulnerability. Contact Moxa Technical Support for assistance in securing affected devices.
Long-Term Security Practices
Implement robust security protocols, conduct regular security assessments, and monitor network traffic to detect and prevent unauthorized access attempts.
Patching and Updates
Stay informed about security advisories from Moxa and apply patches promptly to protect systems from potential exploitation.