CVE-2021-25339

low-risk

Published 2021-03-04

Improper address validation in HArx in Samsung mobile devices prior to SMR Mar-2021 Release 1 allows an attacker, given a compromised kernel, to corrupt EL2 memory.

Do I need to act?

0.02% chance of exploitation

EPSS score — low exploit probability

Not on CISA KEV list

No confirmed active exploitation reported to CISA

Patch status unknown

Check vendor advisories for fix availability and mitigation guidance

CVSS 4.4/10 Medium

PHYSICAL / HIGH complexity

Affected Products (2)

Android

Affected Vendors

Google

References (4)

Vendor Advisory https://security.samsungmobile.com

Vendor Advisory https://security.samsungmobile.com/securityUpdate.smsb

Vendor Advisory https://security.samsungmobile.com

Vendor Advisory https://security.samsungmobile.com/securityUpdate.smsb

/ 100

low-risk

Severity 11/34 · Low

Exploitability 0/34 · Minimal

Exposure 7/34 · Low