VULNERABILITY INTELLIGENCE

CVE-2018-21058

CVSS score9.8 CRITICAL
EPSS probability0.27%
CISA KEVNot currently listed
Published2020-04-08
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Description

An issue was discovered on Samsung mobile devices with N(7.0), O(8.0) (exynos7420 or Exynos 8890/8996 chipsets) software. Cache attacks can occur against the Keymaster AES-GCM implementation because T-Tables are used; the Cryptography Extension (CE) is not used. The Samsung ID is SVE-2018-12761 (September 2018).

Weakness classification

  • CWE-327: Use of a Broken or Risky Cryptographic Algorithm

Primary references