#VU24145 Permissions, Privileges, and Access Controls in Huawei Mate 20 - CVE-2020-1787

Vulnerability identifier: #VU24145

Vulnerability risk: Low

CVSSv4.0: 4 [CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2020-1787

CWE-ID: CWE-264

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 escalate privileges on the device.

The vulnerability exists due to a login error that can be used under under certain scenario to bypass the lock screen and gain unauthorized access to the device. An attacker with physical access to the device can bypass the lock screen.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Huawei Mate 20: Hima-AL00B/Hima-TL00B 9.0.0.200(C00E200R2P1) - 9.1.0.139

---

External links
https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20200108-02-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.