CVE-2020-11447 : Vulnerability Insights and Analysis

This CVE record pertains to an issue discovered on Bell HomeHub 3000 SG48222070 devices, allowing remote authenticated users to retrieve the serial number, leading to an information leak.

Understanding CVE-2020-11447

What is CVE-2020-11447?

CVE-2020-11447 is a vulnerability found in Bell HomeHub 3000 SG48222070 devices that enables remote authenticated users to access the serial number through cgi/json-req, resulting in an information leak.

The Impact of CVE-2020-11447

This vulnerability poses a risk as it allows unauthorized users to obtain sensitive information, compromising the security and privacy of the affected devices.

Technical Details of CVE-2020-11447

Vulnerability Description

The issue allows remote authenticated users to retrieve the serial number of Bell HomeHub 3000 SG48222070 devices via cgi/json-req, which should only be accessible to individuals with physical access to the device.

Affected Systems and Versions

Vendor: n/a
Product: n/a
Versions Affected: n/a

Exploitation Mechanism

The vulnerability can be exploited by remote authenticated users leveraging the cgi/json-req endpoint to extract the serial number, which is meant to validate physical access to the device.

Mitigation and Prevention

Immediate Steps to Take

Disable remote access to sensitive information on the device.
Implement strong authentication mechanisms to prevent unauthorized access.

Long-Term Security Practices

Regularly update firmware and security patches to address known vulnerabilities.
Conduct security audits and assessments to identify and mitigate potential risks.

Patching and Updates

Ensure that the affected devices are updated with the latest firmware and security patches to remediate the vulnerability.