CVE detail
CVE-2018-21058 — CVE-2018-21058
Published 2020-04-08 · Modified 2026-06-17 · Vendor google · Product android · Source nvd
CRITICAL
severity
CVSS-derived band
0.0027
EPSS probability
exploitation probability, 30d
20.0%
EPSS percentile
percentile vs all CVEs
NOT LISTED
CISA KEV
known exploited catalog
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).
Remediation
No vendor-published fix data in our corpus for this CVE. Check the references below or the vendor's PSIRT / security advisories page.
References