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CVE-2018-21049: google android Out-of-bounds Write

CVSS: 10.0v2.0HighModified
Published 08-04-2020Last modified 05-08-2024
Open JSON

Vulnerability summary

CVE-2018-21049 is a high (CVSS 10.0) Out-of-bounds Write vulnerability in google android. EPSS estimates a 0.56% chance of exploitation in the next 30 days, higher than 45.7% of scored vulnerabilities.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
10.0/10
010
High · v2.0 (NVD)
EPSS score
0.56%
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.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).

CVSS metrics

2 scores · 1 source · 2 versions

EPSS trend

Probability

0.56%

Chance of exploitation in the next 30 days

Percentile

46%

Versus all other CVEs

30-day change

0.00 pp

From 0.56% on 18-09-2026

18-09-202618-10-2026
EPSS score
0.56%

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
  • androidEOL7.0 | 7.1.0 | 7.1.1 | 7.1.2 | 8.0 | 8.1

1 vendor · 1 product

References

1 links