Vulnerability identifier: #VU23416

Vulnerability risk: Low

CVSSv3.1: 6.4 [CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2019-5227

CWE-ID: CWE-354

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
P30
Client/Desktop applications / Multimedia software
P30 Pro
Client/Desktop applications / Multimedia software
Huawei Mate 20
Client/Desktop applications / Multimedia software
Huawei HiSuite
Mobile applications / Apps for mobile phones

Vendor: Huawei

Description

The vulnerability exists due to the affected devices and software do not validate the upgrade package sufficiently. A local user can trick the user to install a malicious application and downgrade the system of smartphone to an older version.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

P30: All versions

P30 Pro: All versions

Huawei Mate 20: All versions

Huawei HiSuite: All versions

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External links
http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20190904-01-smartphone-en

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Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

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