CVE-2021-34580 : What You Need to Know

This CVE article provides insights into CVE-2021-34580, a vulnerability that allows an unauthenticated user to enumerate valid backend users in mymbCONNECT24 and mbCONNECT24 versions up to 2.9.0.

Understanding CVE-2021-34580

This section delves into the details of the CVE-2021-34580 vulnerability.

What is CVE-2021-34580?

CVE-2021-34580 in mymbCONNECT24, mbCONNECT24 <= 2.9.0 enables an unauthenticated user to identify valid backend users by analyzing server responses to manipulated invalid login attempts.

The Impact of CVE-2021-34580

With a CVSS base score of 7.5 (High Severity), the vulnerability poses a significant risk by exposing confidential information without requiring any user privileges.

Technical Details of CVE-2021-34580

This section outlines the technical aspects of CVE-2021-34580.

Vulnerability Description

The vulnerability allows unauthorized users to exploit the system and obtain sensitive information without proper authentication.

Affected Systems and Versions

mymbCONNECT24 and mbCONNECT24 versions up to 2.9.0 are impacted by this vulnerability.

Exploitation Mechanism

By creating crafted invalid login attempts, attackers can elicit responses from the server that reveal the existence of valid backend users.

Mitigation and Prevention

Learn how to address and prevent CVE-2021-34580.

Immediate Steps to Take

Update the affected systems to version 2.10.1 to mitigate the vulnerability and enhance security.

Long-Term Security Practices

Enforce strong authentication mechanisms and regularly monitor server responses to detect any abnormal activities.

Patching and Updates

Stay proactive by applying security patches and keeping software versions up to date to prevent exploitation.