What is CVE-2021-25479?

CVE-2021-25479 is a high-severity vulnerability in Google Android, classified under Heap-based Buffer Overflow. CVSS score: 7.2/10. Published 2021-10-06.

How severe is CVE-2021-25479?

High severity. CVSS v3 base score is 7.2 out of 10.

Buffer overflow in Google Android

CVE-2021-25479

A possible heap-based buffer overflow vulnerability in Exynos CP Chipset prior to SMR Oct-2021 Release 1 allows arbitrary memory write and code execution.

Vulnerability class: Buffer Overflow

EPSS: 0.005 (41.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.

Affected products

Google Android — versions 8.1, 9.0, 10.0
Samsung Exynos
Samsung Mobile Devices — versions O(8.1), P(9.0), Q(10.0), R(11.0)

Weakness classification (CWE)

CWE-122 — Heap-based Buffer Overflow
CWE-787 — Out-of-bounds Write

References

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

Frequently asked questions

What is CVE-2021-25479?: CVE-2021-25479 is a high-severity vulnerability in Google Android, classified under Heap-based Buffer Overflow. CVSS score: 7.2/10. Published 2021-10-06.
How severe is CVE-2021-25479?: High severity. CVSS v3 base score is 7.2 out of 10.