CVE-2013-0963: Apple iPhone OS

Low severity, CVSS 2.1. EPSS: 0.2% chance of exploitation in the next 30 days.

Identity Services in Apple iOS before 6.1 does not properly handle validation failures of AppleID certificates, which might allow physically proximate attackers to bypass authentication by leveraging an incorrect assignment of an empty string value to an AppleID.

Affected products

• Apple iPhone OS: up to and including 6.0.2; version 6.0 only; version 6.0.1 only

Published 2013-01-29. Last modified 2026-06-16.