Improper Authorization in Huawei Mate 20 RS

1) Improper Authorization

EUVDB-ID: #VU23086

Risk: Low

CVSSv4.0: 0.4 [CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2019-5308

CWE-ID: CWE-285 - Improper Authorization

Exploit availability: No

Description

The vulnerability allows an attacker to bypass authorization checks.

The vulnerability exists due to the affected software does not properly restrict certain operation in ADB mode. An attacker with physical access to the device can switch to third desktop after a series of operation.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Huawei Mate 20 RS: All versions

CPE2.3

• cpe:2.3:a:huawei:huawei_mate_20_rs:*:*:*:*:*:*:*:*

External links

https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20191127-01-smartphone-en

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.