CVE-2018-21052

CriticalCVSS 9.8/10Last modified Jun 17, 2026

Description

An issue was discovered on Samsung mobile devices with N(7.x) and O(8.X) (Exynos chipsets) software. There is incorrect usage of shared memory in the vaultkeeper Trustlet, leading to arbitrary code execution. The Samsung ID is SVE-2018-12855 (October 2018).

Metrics

CVSS 3.1 9.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-119

Affected software

No affected versions have been published.

Timeline

Published
Apr 8, 2020
Last modified
Jun 17, 2026
NVD status
Modified

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CVE-2018-21052: Critical severity, CVSS 9.8 | Vulnix