CVE-2021-45914 : Exploit Details and Defense Strategies

LuxSoft LuxCal Web Calendar before 5.2.0 allows an unauthenticated attacker to manipulate a POST request, gaining unauthorized access to any registered user's session.

Understanding CVE-2021-45914

In LuxSoft LuxCal Web Calendar before 5.2.0, a security vulnerability permits attackers to exploit a POST request for unauthorized authentication.

What is CVE-2021-45914?

The CVE-2021-45914 vulnerability in LuxSoft LuxCal Web Calendar before 5.2.0 enables unauthenticated attackers to manipulate a POST request, potentially authenticating themselves as any registered LuxCal user, including administrators.

The Impact of CVE-2021-45914

The exploitation of this vulnerability could lead to unauthorized access and compromise of sensitive data, posing a significant risk to the security and integrity of the affected systems.

Technical Details of CVE-2021-45914

LuxSoft LuxCal Web Calendar before 5.2.0 is susceptible to manipulation of POST requests, allowing unauthorized authentication.

Vulnerability Description

The vulnerability enables unauthenticated attackers to authenticate themselves as any registered LuxCal user by manipulating a specific POST request.

Affected Systems and Versions

Affected System: LuxSoft LuxCal Web Calendar before version 5.2.0
Vulnerable Version: All versions before 5.2.0

Exploitation Mechanism

Attackers exploit the vulnerability by manipulating a POST request, which tricks the system into authenticating the attacker's session as that of a registered user.

Mitigation and Prevention

It is crucial to take immediate action to mitigate the risks associated with CVE-2021-45914.

Immediate Steps to Take

Upgrade LuxSoft LuxCal Web Calendar to version 5.2.0 or later to eliminate the vulnerability.
Monitor system logs for any suspicious activities or unauthorized access attempts.
Implement network firewalls and intrusion detection/prevention systems to enhance security.

Long-Term Security Practices

Regularly update and patch software to address security vulnerabilities promptly.
Conduct security assessments and penetration testing to identify and remediate potential weaknesses.
Educate users and administrators about best practices in cybersecurity to prevent similar incidents.

Patching and Updates

LuxSoft has released version 5.2.0, which addresses the CVE-2021-45914 vulnerability. Ensure timely installation of patches and updates to secure your LuxCal Web Calendar installation.