CVE-2017-2383: Apple iCloud

Low severity, CVSS 3.1. EPSS: 0.4% chance of exploitation in the next 30 days.

An issue was discovered in certain Apple products. iCloud before 6.2 on Windows is affected. iTunes before 12.6 on Windows is affected. The issue involves cleartext client-certificate transmission in the "APNs Server" component. It allows man-in-the-middle attackers to track users via correlation with this certificate.

Affected products

• Apple iCloud: up to and including 6.1.1
• Apple iTunes: up to and including 12.5.5.5

Published 2017-04-02. Last modified 2026-06-17.