Out-of-bounds Read in Huawei Emui
CVE-2021-40020
There is an Out-of-bounds array read vulnerability in the security storage module in smartphones. Successful exploitation of this vulnerability may affect service confidentiality.
Vulnerability class: Buffer Overflow
EPSS: 0.007 (48.4th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.
Affected products
- Huawei Emui — versions 11.0.0, 10.1.1, 10.1.0
- Huawei Magic Ui — versions 4.0.0, 3.1.1, 3.1.0
- Huawei Magic_ui — versions 3.0.0, 3.1.0, 3.1.1
Weakness classification (CWE)
References
- psirt@huawei.com (x_refsource_MISC, Vendor Advisory)
Frequently asked questions
- What is CVE-2021-40020?
- CVE-2021-40020 is a high-severity vulnerability in Huawei Emui, classified under Out-of-bounds Read. CVSS score: 7.5/10. Published 2022-01-10.
- How severe is CVE-2021-40020?
- High severity. CVSS v3 base score is 7.5 out of 10.