CVE-2021-1143 : Security Advisory and Response

This CVE-2021-1143 article provides insights into a vulnerability in Cisco Connected Mobile Experiences (CMX) API authorizations that could potentially lead to user enumeration on the affected system.

Understanding CVE-2021-1143

This section delves into the details of the CVE-2021-1143 vulnerability affecting Cisco Connected Mobile Experiences (CMX) API.

What is CVE-2021-1143?

The CVE-2021-1143 vulnerability in Cisco CMX API allows authenticated remote attackers to enumerate users due to a lack of authorization checks for specific API GET requests.

The Impact of CVE-2021-1143

Exploiting this vulnerability could enable attackers to identify users within the CMX system, posing a risk to user privacy and system security.

Technical Details of CVE-2021-1143

This section outlines the technical aspects of the CVE-2021-1143 vulnerability.

Vulnerability Description

The lack of authorization checks in certain API GET requests allows attackers to enumerate users on the CMX system.

Affected Systems and Versions

The vulnerability affects Cisco Connected Mobile Experiences (CMX) with specific versions.

Exploitation Mechanism

Attackers can exploit this vulnerability by sending crafted API GET requests to the impacted device.

Mitigation and Prevention

Below are the key steps to mitigate and prevent exploitation of CVE-2021-1143.

Immediate Steps to Take

Implement access controls, validate user input, and monitor API requests to prevent unauthorized enumeration.

Long-Term Security Practices

Regularly update and patch the affected systems, conduct security audits, and educate users on safe practices.

Patching and Updates

Apply vendor-recommended patches and stay informed about security advisories to protect against known vulnerabilities.