9.8

CVE-2018-21058: google android

CVSS: 9.8v3.1CriticalModified
Published 08-04-2020Last modified 05-08-2024

Vulnerability summary

CVE-2018-21058 is a critical (CVSS 9.8) vulnerability in google android. EPSS estimates a 0.27% chance of exploitation in the next 30 days, higher than 18.6% of scored vulnerabilities.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.8/10
010
Critical · v3.1 (NVD)
EPSS score
0.27%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 08-04-2020
    PublishedVulnerability first disclosed.
  2. 05-08-2024
    Last modifiedVulnerability information updated.

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).

CVSS metrics

2 scores · 1 source · 2 versions

EPSS trend

Probability

0.27%

Chance of exploitation in the next 30 days

Percentile

19%

Versus all other CVEs

30-day change

0.00 pp

From 0.27% on 18-09-2026

18-09-202618-10-2026
EPSS score
0.27%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Google1 product

1 vendor · 1 product

References

1 links