CVE-2012-3744: Apple iPhone OS

Medium severity, CVSS 5.0. EPSS: 1.9% chance of exploitation in the next 30 days.

Telephony in Apple iOS before 6 uses an SMS message's return address as the displayed sender address, which allows remote attackers to spoof text communication via a message in which the return address does not match the originating address.

Affected products

• Apple iPhone OS: up to and including 5.1.1; version 1.0.0 only; version 1.0.1 only; version 1.0.2 only; version 1.1.0 only; version 1.1.1 only; …

Published 2012-09-20. Last modified 2026-06-16.