CVE-2021-41850 : What You Need to Know

An issue in Luna Simo PPR1.180610.011/202001031830 allows unauthorized access to IMEI values at system startup, exposing sensitive information.

Understanding CVE-2021-41850

What is CVE-2021-41850?

The vulnerability involves a pre-installed app on Luna Simo devices writing IMEI values to system properties, accessible to all applications on the device, even those without permissions.

The Impact of CVE-2021-41850

The vulnerability exposes IMEI values to processes without access control, posing a risk of unauthorized access to sensitive information.

Technical Details of CVE-2021-41850

Vulnerability Description

The pre-installed app in Luna Simo devices writes three IMEI values to system properties, which can be obtained by any third-party application on the device.

Affected Systems and Versions

Luna Simo PPR1.180610.011/202001031830

Exploitation Mechanism

IMEI values are written to system properties by the app, accessible via getprop by all co-located third-party applications.

Mitigation and Prevention

Immediate Steps to Take

Disable or remove the pre-installed app if possible.
Regularly monitor for unauthorized access to IMEI values.

Long-Term Security Practices

Restrict permissions for third-party apps to enhance data security.
Implement access control mechanisms for sensitive information.

Patching and Updates

Check for security patches and updates from Luna Simo to address the vulnerability.