CVE-2021-28969 : Exploit Details and Defense Strategies

A SQL injection vulnerability, tracked as CVE-2021-28969, was discovered in eMPS 9.0.1.923211 on FireEye EX 3500 devices. This vulnerability allows remote authenticated users to execute SQL injection attacks via a specific parameter, potentially leading to unauthorized access or data manipulation.

Understanding CVE-2021-28969

This section provides insights into the nature of the CVE-2021-28969 vulnerability.

What is CVE-2021-28969?

The vulnerability in eMPS 9.0.1.923211 on FireEye EX 3500 devices permits remote authenticated users to carry out SQL injection attacks using a particular parameter in the email search feature. The vendor has addressed this issue in version 9.0.3.

The Impact of CVE-2021-28969

A successful exploitation of this vulnerability could allow attackers to inject malicious SQL queries, potentially compromising the confidentiality and integrity of data stored on the affected devices.

Technical Details of CVE-2021-28969

Explore the technical aspects associated with CVE-2021-28969.

Vulnerability Description

The vulnerability arises from insufficient sanitization of user-supplied input in the 'sort_by' parameter of the email search feature, enabling attackers to manipulate SQL queries.

Affected Systems and Versions

The vulnerability affects eMPS version 9.0.1.923211 running on FireEye EX 3500 devices. It is crucial to ensure systems are updated to version 9.0.3 to mitigate the risk.

Exploitation Mechanism

Attackers with remote authenticated access can exploit this vulnerability by sending crafted requests containing malicious SQL payloads to the sort_by parameter, leading to the execution of unauthorized SQL commands.

Mitigation and Prevention

Learn how to safeguard your systems against CVE-2021-28969.

Immediate Steps to Take

Users are advised to update the eMPS software to version 9.0.3 to eliminate the SQL injection vulnerability. Additionally, it is recommended to review access controls and monitor for any suspicious activities.

Long-Term Security Practices

Implement robust input validation mechanisms and regularly audit and patch vulnerable software to prevent future exploitation of similar vulnerabilities.

Patching and Updates

Regularly check for security updates from the vendor and apply patches promptly to protect systems from known vulnerabilities.