CVE-2023-1647 : Vulnerability Insights and Analysis

This CVE-2023-1647 record pertains to an issue of Improper Access Control in the GitHub repository calcom/cal.com prior to version 2.7.

Understanding CVE-2023-1647

This vulnerability is categorized under CWE-284, indicating Improper Access Control. It has a CVSS v3.1 base score of 8.8, denoting a high severity level.

What is CVE-2023-1647?

The vulnerability in the calcom/cal.com GitHub repository before version 2.7 allows unauthorized users to access certain functionalities that should be restricted, potentially leading to unauthorized actions within the system.

The Impact of CVE-2023-1647

With a high base score and impact on confidentiality, integrity, and availability, this vulnerability could be exploited by attackers to gain unauthorized access to sensitive information, compromise data integrity, and disrupt system availability.

Technical Details of CVE-2023-1647

The vulnerability is characterized by low attack complexity and requires low privileges for exploitation. The attack vector is through the network, with high impacts on confidentiality, integrity, and availability.

Vulnerability Description

The issue stems from inadequate access control mechanisms in the calcom/cal.com GitHub repository, allowing unauthorized users to exploit functionalities that should be restricted.

Affected Systems and Versions

The vulnerability affects versions of calcom/cal.com prior to 2.7.

Exploitation Mechanism

Attackers can exploit this vulnerability through network-based attacks, leveraging low attack complexity and privilege requirements to compromise system confidentiality, integrity, and availability.

Mitigation and Prevention

To mitigate the risks associated with CVE-2023-1647, it is crucial to take immediate action and implement long-term security practices.

Immediate Steps to Take

Update the calcom/cal.com repository to version 2.7 or higher to address the vulnerability.
Monitor user access and permissions to prevent unauthorized actions.
Conduct thorough security assessments and audits to identify and remediate potential vulnerabilities.

Long-Term Security Practices

Implement robust access control measures to restrict unauthorized access to sensitive functionalities.
Stay informed about security best practices and industry trends to enhance overall defense mechanisms.
Regularly assess and update security protocols to adapt to emerging threats and vulnerabilities.

Patching and Updates

Regularly apply security patches and updates provided by the vendor to ensure the system's resilience against potential security vulnerabilities.