CVE-2021-27482 : Vulnerability Insights and Analysis

This article provides insights into CVE-2021-27482, a vulnerability in EIPStackGroup OpENer EtherNet/IP that may allow an attacker to read arbitrary data.

Understanding CVE-2021-27482

In this section, we will explore the details of the CVE-2021-27482 vulnerability.

What is CVE-2021-27482?

The CVE-2021-27482 vulnerability exists in EIPStackGroup OpENer EtherNet/IP versions prior to February 10, 2021, allowing attackers to read arbitrary data by sending a specially crafted packet.

The Impact of CVE-2021-27482

With a CVSS base score of 7.5, this vulnerability has a high severity level, affecting confidentiality with a low attack complexity through a network vector.

Technical Details of CVE-2021-27482

This section delves deeper into the technical aspects of CVE-2021-27482.

Vulnerability Description

The vulnerability involves an out-of-bounds read issue in EIPStackGroup OpENer EtherNet/IP, enabling unauthorized data access.

Affected Systems and Versions

EIPStackGroup OpENer EtherNet/IP versions preceding Feb 10, 2021 are impacted by this vulnerability.

Exploitation Mechanism

Attackers can exploit this vulnerability by sending a specially crafted packet to the target system to retrieve sensitive data.

Mitigation and Prevention

Discover the necessary steps to mitigate the risks associated with CVE-2021-27482.

Immediate Steps to Take

Affected users should apply the latest software updates and security patches provided by OpENer to safeguard their systems.

Long-Term Security Practices

Implement robust network security measures and conduct regular security audits to prevent potential cyber threats.

Patching and Updates

Stay vigilant for security advisories and updates from OpENer to promptly address emerging vulnerabilities.