CVE-2021-21495 : What You Need to Know

MK-AUTH through 19.01 K4.9 allows CSRF for password changes via the central/executar_central.php?acao=altsenha_princ URI.

Understanding CVE-2021-21495

This CVE involves a security vulnerability in MK-AUTH through version 19.01 K4.9 that allows for CSRF attacks to change passwords.

What is CVE-2021-21495?

CVE-2021-21495 relates to a CSRF vulnerability in MK-AUTH software that permits unauthorized changes to user passwords through a specific URI.

The Impact of CVE-2021-21495

Exploitation of this vulnerability could lead to unauthorized password changes, potentially compromising user accounts and sensitive information.

Technical Details of CVE-2021-21495

This section outlines the specific technical aspects of the CVE.

Vulnerability Description

The vulnerability allows attackers to execute CSRF attacks to change passwords via a particular URI in MK-AUTH versions up to 19.01 K4.9.

Affected Systems and Versions

All instances of MK-AUTH up to version 19.01 K4.9 are affected by this vulnerability.

Exploitation Mechanism

Attackers can exploit this vulnerability by crafting malicious requests to the specific URI, triggering unauthorized password changes.

Mitigation and Prevention

To address and prevent potential exploitation of CVE-2021-21495, consider the following measures.

Immediate Steps to Take

Users are advised to update MK-AUTH to a patched version and review password change activities for any unauthorized modifications.

Long-Term Security Practices

Implement strong password policies, conduct regular security audits, and educate users on safe practices to enhance overall security.

Patching and Updates

Stay informed about security updates for MK-AUTH and ensure timely application of patches to mitigate CSRF vulnerabilities.