Buffer overflow in Google Android
CVE-2021-25396
An improper input validation vulnerability in NPU firmware prior to SMR MAY-2021 Release 1 allows arbitrary memory write and code execution.
Vulnerability class: Buffer Overflow
EPSS: 0.001 (2.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.7 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Google Android — versions 10.0, 11.0
- Samsung Exynos_2100
- Samsung Exynos_980
- Samsung Exynos_9820
- Samsung Exynos_9830
- Samsung Mobile Devices — versions Q(10.0), R(11.0)
Weakness classification (CWE)
References
- mobile.security@samsung.com (x_refsource_MISC, Vendor Advisory)
Frequently asked questions
- What is CVE-2021-25396?
- CVE-2021-25396 is a medium-severity vulnerability in Google Android, classified under Out-of-bounds Write. CVSS score: 6.7/10. Published 2021-06-11.
- How severe is CVE-2021-25396?
- Medium severity. CVSS v3 base score is 6.7 out of 10.