CVE-2021-32996 Explained : Impact and Mitigation

The FANUC R-30iA and R-30iB series controllers have been identified with a vulnerability known as integer coercion error, leading to device crashes and necessitating a restart.

Understanding CVE-2021-32996

This section will delve into the details regarding CVE-2021-32996.

What is CVE-2021-32996?

The vulnerability in the FANUC R-30iA and R-30iB series controllers is due to integer coercion errors, causing the device to crash, requiring a restart.

The Impact of CVE-2021-32996

The impact of this vulnerability is significant as it can lead to system crashes and disruptions in the operations of FANUC R-30iA and R-30iB series controllers.

Technical Details of CVE-2021-32996

This section will cover the technical aspects of CVE-2021-32996.

Vulnerability Description

The vulnerability stems from integer coercion errors impacting the FANUC R-30iA and R-30iB series controllers, resulting in device crashes.

Affected Systems and Versions

The affected products include R-30iA, R-30iA Mate, R-30iB, R-30iB Mate, R-30iB Compact, R-30iB Plus, R-30iB Mate Plus, R-30iB Compact Plus, and R-30iB Mini Plus with specific vulnerable versions.

Exploitation Mechanism

The exploitation of this vulnerability may involve triggering integer coercion errors to cause the device to crash.

Mitigation and Prevention

In this section, we will discuss the measures to mitigate and prevent CVE-2021-32996.

Immediate Steps to Take

Immediate steps include applying patches or updates provided by FANUC to address the vulnerability and prevent device crashes.

Long-Term Security Practices

Implementing robust security practices and conducting regular security assessments can help prevent similar vulnerabilities in the future.

Patching and Updates

Regularly updating the firmware and software of FANUC R-30iA and R-30iB series controllers is essential to mitigate the risk of integer coercion errors and device crashes.