What is CVE-2018-21089?

CVE-2018-21089 is a critical-severity vulnerability in Google Android, classified under Integer Overflow or Wraparound. CVSS score: 9.8/10. Published 2020-04-08.

How severe is CVE-2018-21089?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Integer overflow in Google Android

CVE-2018-21089

An issue was discovered on Samsung mobile devices with N(7.x) (MT6755/MT6757 Mediatek models) software. Bootloader has an integer overflow that leads to arbitrary code execution via the download offset control. The Samsung ID is SVE-2017-1…

Vulnerability class: Integer Overflow

EPSS: 0.008 (53.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Google Android — versions 7.0, 7.1.0, 7.1.1
Mediatek Mt6755
Mediatek Mt6757
N/a — versions n/a

Weakness classification (CWE)

CWE-190 — Integer Overflow or Wraparound

References

cve@mitre.org (x_refsource_CONFIRM, Vendor Advisory)

Frequently asked questions

What is CVE-2018-21089?: CVE-2018-21089 is a critical-severity vulnerability in Google Android, classified under Integer Overflow or Wraparound. CVSS score: 9.8/10. Published 2020-04-08.
How severe is CVE-2018-21089?: Critical severity. CVSS v3 base score is 9.8 out of 10.