CVE-2021-23146 Explained : Impact and Mitigation

A detailed overview of CVE-2021-23146 highlighting the vulnerability, impact, technical details, and mitigation steps.

Understanding CVE-2021-23146

This section provides insights into the vulnerability identified as CVE-2021-23146.

What is CVE-2021-23146?

CVE-2021-23146 is an Incomplete Comparison with Missing Factors vulnerability in the Gallagher Controller, enabling attackers to bypass PIV verification in Gallagher Command Centre versions.

The Impact of CVE-2021-23146

The vulnerability poses a high severity risk with a CVSS base score of 7.1, allowing attackers to manipulate integrity without requiring any privileges, affecting various versions of Gallagher Command Centre.

Technical Details of CVE-2021-23146

Explore the specific technical aspects of CVE-2021-23146 to understand the affected systems and exploitation methods.

Vulnerability Description

The vulnerability enables threat actors to bypass PIV verification in Gallagher Command Centre versions 8.40, 8.30, 8.20, 8.10, and 8.00.

Affected Systems and Versions

Gallagher Command Centre versions prior to 8.40.1888 (MR3), 8.30.1359 (MR3), 8.20.1259 (MR5), 8.10.1284 (MR7), and version 8.00 are impacted by this vulnerability.

Exploitation Mechanism

Attackers can exploit this vulnerability through an adjacent network with low attack complexity, impacting integrity significantly.

Mitigation and Prevention

Learn about the immediate and long-term measures to secure systems against CVE-2021-23146.

Immediate Steps to Take

Organizations are advised to apply security patches, monitor system integrity, and restrict network access to mitigate the risk immediately.

Long-Term Security Practices

Implementing network segmentation, continuous monitoring, and regular security updates can enhance long-term resilience against such vulnerabilities.

Patching and Updates

Regularly update Gallagher Command Centre to the latest versions to ensure patches for known vulnerabilities are applied.