CVE-2021-23167 : Vulnerability Insights and Analysis

A high severity vulnerability (CVE-2021-23167) has been identified in Gallagher Command Centre affecting versions prior to 8.50.2048 (MR3), 8.40.2063 (MR4), and 8.30.1454 (MR4) as well as version 8.20 and previous versions. The vulnerability allows a man-in-the-middle attack on the SMTP Client leading to sensitive data exposure from the Command Centre Server.

Understanding CVE-2021-23167

This section will cover the essential details regarding the vulnerability.

What is CVE-2021-23167?

CVE-2021-23167 points to an improper certificate validation flaw in the SMTP Client of Gallagher Command Centre. This loophole enables attackers to intercept and retrieve critical information from the server.

The Impact of CVE-2021-23167

The vulnerability poses a high risk with a CVSS base score of 8.1 (High). It affects confidentiality significantly while having a lower impact on integrity and availability. The complexity of the attack vector is high, and no special privileges are required for exploitation.

Technical Details of CVE-2021-23167

This section will delve into the technical aspects of the vulnerability.

Vulnerability Description

The flaw stems from improper certificate validation in the SMTP Client, allowing unauthorized access to sensitive data transmitted across the Command Centre Server.

Affected Systems and Versions

Gallagher Command Centre versions prior to 8.50.2048 (MR3), 8.40.2063 (MR4), 8.30.1454 (MR4), and version 8.20 are confirmed to be impacted by this vulnerability.

Exploitation Mechanism

The vulnerability can be exploited through a man-in-the-middle attack on the SMTP Client, providing unauthorized access to critical information.

Mitigation and Prevention

This section will guide on mitigating the risks associated with CVE-2021-23167.

Immediate Steps to Take

Users are advised to update Gallagher Command Centre to the latest patched version to eliminate the vulnerability. Implement network monitoring and encryption protocols to secure data transmission.

Long-Term Security Practices

Regularly review and update security measures on the Command Centre Server. Conduct security audits and penetration testing to identify and address vulnerabilities proactively.

Patching and Updates

Stay informed about security advisories and updates from Gallagher. Apply patches and security configurations promptly to safeguard against potential threats.