CVE-2015-3778: Apple iPhone OS

Low severity, CVSS 3.3. EPSS: 0.9% chance of exploitation in the next 30 days.

bootp in Apple iOS before 8.4.1 and OS X before 10.10.5 allows remote attackers to obtain potentially sensitive information about MAC addresses seen in previous Wi-Fi sessions by sniffing an 802.11 network for DNAv4 broadcast traffic.

Affected products

  • Apple iPhone OS: up to and including 8.4
  • Apple Mac OS X: up to and including 10.10.4

Published 2015-08-16. Last modified 2026-06-17.