What is CVE-2021-25339?

CVE-2021-25339 is a medium-severity vulnerability in Google Android, classified under Improper Input Validation. CVSS score: 4.4/10. Published 2021-03-04.

How severe is CVE-2021-25339?

Medium severity. CVSS v3 base score is 4.4 out of 10.

Improper input validation in Google Android

CVE-2021-25339

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.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

EPSS: 0.001 (1.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.4 (Medium). Vector: CVSS:3.1/AV:P/AC:H/PR:H/UI:R/S:U/C:N/I:H/A:L.

Affected products

Google Android — versions 10.0, 11.0
Samsung Exynos_9830
Samsung Mobile Devices — versions Selected Q(10.0), R(11.0)

Weakness classification (CWE)

CWE-20 — Improper Input Validation

References

mobile.security@samsung.com (x_refsource_CONFIRM, Vendor Advisory)
mobile.security@samsung.com (x_refsource_MISC, Vendor Advisory)

Frequently asked questions

What is CVE-2021-25339?: CVE-2021-25339 is a medium-severity vulnerability in Google Android, classified under Improper Input Validation. CVSS score: 4.4/10. Published 2021-03-04.
How severe is CVE-2021-25339?: Medium severity. CVSS v3 base score is 4.4 out of 10.