CVE-2021-23140 : What You Need to Know

A critical vulnerability has been discovered in Gallagher Command Centre that allows unauthorized operators to modify command line macros, affecting specific versions of the software.

Understanding CVE-2021-23140

This section will delve into the details of the CVE-2021-23140 vulnerability in Gallagher Command Centre.

What is CVE-2021-23140?

The vulnerability, categorized under CWE-285 Improper Authorization, enables unprivileged Command Centre Operators to tamper with command line macros in affected versions of Gallagher Command Centre.

The Impact of CVE-2021-23140

With a CVSS base score of 9.9 (Critical), the vulnerability has high impacts on confidentiality, integrity, and availability. Operators with low privileges can exploit the flaw without user interaction.

Technical Details of CVE-2021-23140

This section will provide technical specifics about CVE-2021-23140 affecting Gallagher Command Centre.

Vulnerability Description

The vulnerability in Gallagher Command Centre allows unauthorized operators to alter command line macros in affected versions, potentially leading to unauthorized actions.

Affected Systems and Versions

The vulnerability affects Gallagher Command Centre versions <= 8.10, 8.20 versions prior to 8.20.1259 (MR5), 8.30 versions prior to 8.30.1359 (MR3), and 8.40 versions prior to 8.40.1888 (MR3).

Exploitation Mechanism

With a low attack complexity and network vector, an unauthorized operator can exploit the vulnerability in Gallagher Command Centre without user interaction and with minimal privileges.

Mitigation and Prevention

This section will outline steps to mitigate the risks associated with CVE-2021-23140 in Gallagher Command Centre.

Immediate Steps to Take

It is recommended to apply patches or updates provided by Gallagher to remediate the vulnerability. Access controls and monitoring should be enhanced to prevent unauthorized access.

Long-Term Security Practices

Regular security assessments, user access reviews, and training on secure configuration practices can help prevent similar vulnerabilities in the future.

Patching and Updates

Ensure that Gallagher Command Centre is regularly updated to the latest versions to address known security issues and protect against potential threats.