SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2021-25470

An improper caller check logic of SMC call in TEEGRIS secure OS prior to SMR Oct-2021 Release 1 can be used to compromise TEE.

HIGH 7.9EPSS 0.12%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.12%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

An improper caller check logic of SMC call in TEEGRIS secure OS prior to SMR Oct-2021 Release 1 can be used to compromise TEE.

CVSS 3.1
7.9 HIGHCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:N
EPSS
0.12% probability · 2th percentile
CISA KEV
Not listed
Weakness
CWE-94
Affected
google/android
Source
mobile.security@samsung.com

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