CVE-2021-3005 : What You Need to Know

MK-AUTH through 19.01 K4.9 allows remote attackers to obtain sensitive information (e.g., a CPF number) via a modified titulo (aka invoice number) value to the central/recibo.php URI.

Understanding CVE-2021-3005

This CVE describes a vulnerability in MK-AUTH that could be exploited by remote attackers to access sensitive information.

What is CVE-2021-3005?

CVE-2021-3005 pertains to a security flaw in MK-AUTH through version 19.01 K4.9 that enables attackers to retrieve sensitive data through a specific request to the central/recibo.php URI.

The Impact of CVE-2021-3005

The vulnerability in MK-AUTH could lead to the exposure of personal information such as CPF numbers when exploited by malicious actors.

Technical Details of CVE-2021-3005

The technical details of CVE-2021-3005 include:

Vulnerability Description

The vulnerability allows remote attackers to gather sensitive data by manipulating the invoice number value in a request to central/recibo.php.

Affected Systems and Versions

All versions of MK-AUTH up to 19.01 K4.9 are affected by this security issue.

Exploitation Mechanism

Attackers can exploit this vulnerability by sending a specially crafted request to the central/recibo.php URI.

Mitigation and Prevention

To mitigate the risks associated with CVE-2021-3005, consider the following:

Immediate Steps to Take

Apply security patches released by MK-AUTH to address the vulnerability.
Monitor network traffic for any suspicious activity.

Long-Term Security Practices

Conduct regular security audits and vulnerability assessments.
Educate users and employees on security best practices.
Implement access controls and authentication mechanisms.

Patching and Updates

Stay up to date with security updates and patches provided by MK-AUTH to protect your systems from potential exploitation.