CVE-2021-21909 : Exploit Details and Defense Strategies

This article provides detailed information about CVE-2021-21909, a vulnerability in Garrett Metal Detectors iC Module CMA Version 5.0 that could lead to arbitrary file deletion through specially-crafted command line arguments.

Understanding CVE-2021-21909

CVE-2021-21909 is a CVE record that highlights a security vulnerability in the Garrett Metal Detectors iC Module CMA Version 5.0, allowing attackers to delete files using malicious inputs.

What is CVE-2021-21909?

The vulnerability arises from improperly handled command line arguments, enabling an attacker to trigger arbitrary file deletion in the del .cnt or .log files through the delete command.

The Impact of CVE-2021-21909

This vulnerability has a base score of 6, with a medium severity rating. It poses a threat to the integrity of affected systems, requiring high privileges from the attacker for exploitation while keeping the attack vector over the network.

Technical Details of CVE-2021-21909

This section covers the specific technical aspects of the CVE-2021-21909 vulnerability.

Vulnerability Description

Specially-crafted command line arguments can lead to arbitrary file deletion in the del .cnt or .log file delete command within the Garrett Metal Detectors iC Module CMA Version 5.0.

Affected Systems and Versions

The vulnerability affects the Garrett Metal Detectors iC Module CMA Version 5.0 specifically under the affected status.

Exploitation Mechanism

Attackers with high privileges can exploit this vulnerability by providing malicious inputs to the delete command, leading to arbitrary file deletion.

Mitigation and Prevention

To secure systems from CVE-2021-21909, immediate steps should be taken, followed by long-term security practices and regular patching and updates.

Immediate Steps to Take

Organizations should apply security patches provided by Garrett Metal Detectors promptly. They should also monitor and restrict user inputs to prevent exploitation.

Long-Term Security Practices

Implementing robust input validation mechanisms and restricting user privileges can enhance the security posture against similar vulnerabilities in the future.

Patching and Updates

Regularly updating the Garrett Metal Detectors iC Module CMA Version 5.0 with the latest patches and security fixes is crucial to mitigate the risks associated with CVE-2021-21909.