CVE-2020-1803 : Security Advisory and Response

Huawei smartphones Honor V20 with versions earlier than 10.0.0.179(C636E3R4P3), 10.0.0.180(C185E3R3P3), and 10.0.0.180(C432E10R3P4) are vulnerable to an information disclosure issue.

Understanding CVE-2020-1803

These smartphones have a vulnerability that allows for information disclosure under specific conditions if the attacker gains certain information on the victim's smartphone.

What is CVE-2020-1803?

The vulnerability in Huawei smartphones Honor V20 allows attackers to exploit a scenario where the device does not adequately verify the identity of a smart wearable device, potentially leading to information disclosure.

The Impact of CVE-2020-1803

If successfully exploited, this vulnerability can result in the disclosure of information stored on the affected smartphones.

Technical Details of CVE-2020-1803

The following details provide a deeper insight into the technical aspects of this vulnerability.

Vulnerability Description

The vulnerability in Huawei smartphones Honor V20 stems from a lack of proper validation of smart wearable device identity, creating an avenue for attackers to gain unauthorized access.

Affected Systems and Versions

Product: Honor V20
Vendor: Huawei
Vulnerable Versions:
Versions earlier than 10.0.0.179(C636E3R4P3)
Versions earlier than 10.0.0.180(C185E3R3P3)
Versions earlier than 10.0.0.180(C432E10R3P4)

Exploitation Mechanism

The attacker needs to acquire specific information on the victim's smartphone to execute the attack successfully, leading to potential information disclosure.

Mitigation and Prevention

Mitigation strategies to address and prevent the exploitation of CVE-2020-1803.

Immediate Steps to Take

Update affected smartphones to versions 10.0.0.179(C636E3R4P3) or later.
Avoid connecting to unsecured or suspicious smart wearable devices.
Be cautious with granting permissions to apps on the smartphone.

Long-Term Security Practices

Regularly update smartphone software and security patches.
Implement strong security measures like biometric locks on the device.
Educate users on cybersecurity best practices to enhance device security.

Patching and Updates

Ensure timely installation of official security patches and updates provided by Huawei to mitigate the vulnerability.