9.8

CVE-2018-21065: google android Integer Underflow (Wrap or Wraparound)

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

Vulnerability summary

CVE-2018-21065 is a critical (CVSS 9.8) Integer Underflow (Wrap or Wraparound) vulnerability in google android. EPSS estimates a 0.44% chance of exploitation in the next 30 days, higher than 37% 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
0.44%
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 M(6.0), N(7.x), and O(8.x) software. There is an integer underflow in eCryptFS because of a missing size check. The Samsung ID is SVE-2017-11855 (August 2018).

CVSS metrics

2 scores · 1 source · 2 versions

EPSS trend

Probability

0.44%

Chance of exploitation in the next 30 days

Percentile

37%

Versus all other CVEs

30-day change

0.00 pp

From 0.44% on 18-09-2026

18-09-202618-10-2026
EPSS score
0.44%

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
  • androidEOL6.0 | 7.0 | 7.1.0 | 7.1.1 | 7.1.2 | 8.0 | 8.1

1 vendor · 1 product

References

1 links