CVE-2021-31926 Explained : Impact and Mitigation

AMP Application Deployment Service in CubeCoders AMP 2.1.x before 2.1.1.2 allows a remote, authenticated user to open ports in the local system firewall by crafting an HTTP(S) request directly to the applicable API endpoint.

Understanding CVE-2021-31926

A vulnerability in CubeCoders AMP 2.1.x before 2.1.1.2 allows unauthorized users to manipulate the local system's firewall settings.

What is CVE-2021-31926?

The CVE-2021-31926 vulnerability enables an authenticated attacker to modify firewall rules by sending crafted HTTP(S) requests to the API endpoint.

The Impact of CVE-2021-31926

This vulnerability could be exploited by threat actors to bypass network security measures and open ports in the firewall without proper authorization.

Technical Details of CVE-2021-31926

The following technical details outline the specifics of the CVE-2021-31926 vulnerability.

Vulnerability Description

AMP Application Deployment Service in CubeCoders AMP 2.1.x before 2.1.1.2 allows a remote, authenticated user to open ports in the local system firewall by crafting an HTTP(S) request directly to the applicable API endpoint (despite not having permission to make changes to the system's network configuration).

Affected Systems and Versions

CubeCoders AMP 2.1.x versions before 2.1.1.2 are impacted by this vulnerability.

Exploitation Mechanism

An authenticated attacker can exploit this vulnerability by sending specially crafted HTTP(S) requests to the API endpoint, enabling them to manipulate firewall settings.

Mitigation and Prevention

To address CVE-2021-31926, organizations and users are advised to take immediate and long-term security measures to mitigate risks and protect their systems.

Immediate Steps to Take

Upgrade CubeCoders AMP to version 2.1.1.2 or later to eliminate the vulnerability.
Monitor network traffic for any suspicious activity that could indicate exploitation attempts.

Long-Term Security Practices

Regularly update and patch software to ensure the latest security fixes are applied.
Implement principle of least privilege to restrict user access and permissions.

Patching and Updates

Stay informed about security advisories and updates from CubeCoders to address vulnerabilities promptly.