CVE-2018-21049

CRITICAL

Android N(7.x) and O(8.x) - Out-of-bounds Write in Trustlet

Title source: llm

Description

An issue was discovered on Samsung mobile devices with N(7.x) and O(8.X) (Exynos chipsets) software. There is an arbitrary memory write in a Trustlet because a secure driver allows access to sensitive APIs. The Samsung ID is SVE-2018-12881 (November 2018).

References (1)

Core 1

Core References

Vendor Advisory x_refsource_confirm

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

Scores

CVSS v3 9.8

EPSS 0.0056

EPSS Percentile 43.0%

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-787

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