Vulnerability identifier: #VU28293

Vulnerability risk: Low

CVSSv3.1: 2.1 [CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-1831

CWE-ID: CWE-285

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Huawei Mate 20
Client/Desktop applications / Multimedia software

Vendor: Huawei

Description

The vulnerability allows a local attacker to bypass authorization checks.

The vulnerability exists due to the digital balance function does not sufficiently restrict the using time of certain user. An attacker with physical access to the device can break the limit of digital balance function after a series of operations with a PC.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Huawei Mate 20: All versions

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External links
http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20200527-04-smartphone-en

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Q & A

Can this vulnerability be exploited remotely?

No. The attacker should have physical access to the system in order to successfully exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.