CVE-2020-12477 : Vulnerability Insights and Analysis

TeamPass 2.1.27.36 allows users to bypass IP address whitelist restrictions via REST API functions.

Understanding CVE-2020-12477

The vulnerability in TeamPass 2.1.27.36 enables users with a valid API token to circumvent IP address whitelist restrictions.

What is CVE-2020-12477?

The REST API functions in TeamPass 2.1.27.36 allow any user with a valid API token to bypass IP address whitelist restrictions via an X-Forwarded-For client HTTP header to the getIp function.

The Impact of CVE-2020-12477

This vulnerability could potentially lead to unauthorized access to sensitive information and compromise the security of the system.

Technical Details of CVE-2020-12477

TeamPass 2.1.27.36 is affected by this vulnerability.

Vulnerability Description

Users can exploit the REST API functions to bypass IP address whitelist restrictions using an X-Forwarded-For client HTTP header.

Affected Systems and Versions

Product: TeamPass
Version: 2.1.27.36

Exploitation Mechanism

The vulnerability allows users with a valid API token to manipulate the X-Forwarded-For client HTTP header to bypass IP address whitelist restrictions.

Mitigation and Prevention

It is crucial to take immediate steps to address and prevent exploitation of this vulnerability.

Immediate Steps to Take

Disable or restrict access to the affected REST API functions.
Monitor and analyze API requests for suspicious activities.

Long-Term Security Practices

Regularly update TeamPass to the latest version to patch known vulnerabilities.
Implement strong authentication mechanisms and access controls to enhance security.

Patching and Updates

Ensure that TeamPass is regularly updated with the latest security patches to mitigate the risk of exploitation.