SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2021-40020

There is an Out-of-bounds array read vulnerability in the security storage module in smartphones.

HIGH 7.5EPSS 0.67%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.67%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

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.

CVSS 3.1
7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
EPSS
0.67% probability · 50th percentile
CISA KEV
Not listed
Weakness
CWE-125
Affected
huawei/emui · huawei/magic ui
Source
psirt@huawei.com

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.