What is CVE-2018-21079?

CVE-2018-21079 is a high-severity vulnerability in Google Android, classified under Missing Release of Memory after Effective Lifetime. CVSS score: 7.5/10. Published 2020-04-08.

How severe is CVE-2018-21079?

High severity. CVSS v3 base score is 7.5 out of 10.

Vulnerability in Google Android

CVE-2018-21079

An issue was discovered on Samsung mobile devices with L(5.x), M(6.0), N(7.x), and O(8.0) software. There is a kernel pointer leak in the USB gadget driver. The Samsung ID is SVE-2017-10993 (March 2018).

Published 2020-04-08 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.004 (33.0th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 33rd percentile — 33.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000

Affected products

Google Android — versions 5.0, 5.0.1, 5.0.2

Weakness classification (CWE)

CWE-401 — Missing Release of Memory after Effective Lifetime

References

security.samsungmobile.com/securityUpdate.smsb (Vendor Advisory)

Frequently asked questions

What is CVE-2018-21079?: CVE-2018-21079 is a high-severity vulnerability in Google Android, classified under Missing Release of Memory after Effective Lifetime. CVSS score: 7.5/10. Published 2020-04-08.
How severe is CVE-2018-21079?: High severity. CVSS v3 base score is 7.5 out of 10.