Improper Authorization in Huawei Mate 20



Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2020-1831
CWE-ID CWE-285
Exploitation vector Local
Public exploit N/A
Vulnerable software
Huawei Mate 20
Client/Desktop applications / Multimedia software

Vendor Huawei

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Improper Authorization

EUVDB-ID: #VU28293

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 - Improper Authorization

Exploit availability: No

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: before 10.0.0.195

CPE2.3 External links

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



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