Vulnerability identifier: #VU24943

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-2020-1791

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 system has a logic judging error under certain scenario. An attacker with physical access to the device can switch to third desktop after a series of operation in ADB mode.

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-20200205-01-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.