CVE-2018-21051

CRITICAL

Android N(7.x) and O(8.x) - Arbitrary Code Execution via Fingerprint Trustlet Invalid Free

Title source: llm
STIX 2.1

Description

An issue was discovered on Samsung mobile devices with N(7.x) and O(8.x) (Exynos chipsets) software. There is an invalid free in the fingerprint Trustlet, leading to arbitrary code execution. The Samsung ID is SVE-2018-12853 (October 2018).

References (1)

Core 1
Core References
Vendor Advisory x_refsource_confirm
https://security.samsungmobile.com/securityUpdate.smsb

Scores

CVSS v3 9.8
EPSS 0.0086
EPSS Percentile 54.0%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-74
Status published
Products (6)
google/android 7.0
google/android 7.1.0
google/android 7.1.1
google/android 7.1.2
google/android 8.0
google/android 8.1
Published Apr 08, 2020
Tracked Since Feb 18, 2026