CVE-2013-5156: Apple iPhone OS

Medium severity, CVSS 4.3. EPSS: 1.4% chance of exploitation in the next 30 days.

The Telephony subsystem in Apple iOS before 7 does not require API conformity for access to telephony-daemon interfaces, which allows attackers to bypass intended restrictions on phone calls via a crafted app that sends direct requests to the daemon.

Affected products

• Apple iPhone OS: up to and including 6.1.4; 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 2013-09-19. Last modified 2026-06-16.