Improper input validation in Apple Icloud

CVE-2018-4398

An issue existed in the method for determining prime numbers. This issue was addressed by using pseudorandom bases for testing of primes. This issue affected versions prior to iOS 12.1, macOS Mojave 10.14.1, tvOS 12.1, watchOS 5.1, iTunes 12.9.1, iCloud for Windows 7.8.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

EPSS: 0.016 (73.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2018-4398?
CVE-2018-4398 is a high-severity vulnerability in Apple Icloud, classified under Improper Input Validation. CVSS score: 7.5/10. Published 2019-04-03.
How severe is CVE-2018-4398?
High severity. CVSS v3 base score is 7.5 out of 10.