CVE-2019-6203: Apple iPhone OS

Critical severity, CVSS 9.8. EPSS: 4.2% chance of exploitation in the next 30 days.

A logic issue was addressed with improved state management. This issue is fixed in iOS 12.2, macOS Mojave 10.14.4, tvOS 12.2. An attacker in a privileged network position may be able to intercept network traffic.

Affected products

• Apple iPhone OS: before 12.2 (fixed in 12.2)
• Apple Mac OS X: before 10.14.4 (fixed in 10.14.4)
• Apple tvOS: before 12.2 (fixed in 12.2)

Published 2020-04-17. Last modified 2026-06-17.