PT-2018-16489

CVE-2018-4221

Published

2018-06-08

Updated

2019-03-08

Description by

CVSS 3.1

7.5

High

MetricsAV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Name of the Vulnerable Software and Affected Versions iOS versions prior to 11.4 macOS versions prior to 10.13.5

Description The issue involves the Security component and allows websites to track users by leveraging the transmission of S/MIME client certificates.

Recommendations For iOS versions prior to 11.4, update to version 11.4 or later. For macOS versions prior to 10.13.5, update to version 10.13.5 or later.

Exploitability

Fix

Impacts

Researchers