CVE-2014-4364: Apple iPhone OS

Medium severity, CVSS 5.6. EPSS: 0.8% chance of exploitation in the next 30 days.

The 802.1X subsystem in Apple iOS before 8 and Apple TV before 7 does not require strong authentication methods, which allows remote attackers to calculate credentials by offering LEAP authentication from a crafted Wi-Fi AP and then performing a cryptographic attack against the MS-CHAPv1 hash.

Affected products

• Apple iPhone OS: up to and including 7.1.2; version 7.0 only; version 7.0.1 only; version 7.0.2 only; version 7.0.3 only; version 7.0.4 only; …
• Apple tvOS: up to and including 6.2; version 6.0 only; version 6.0.1 only; version 6.0.2 only; version 6.1 only; version 6.1.1 only; …

Published 2014-09-18. Last modified 2026-06-17.