CVE-2011-3427: Apple Tv

Low severity, CVSS 2.6. EPSS: 0.9% chance of exploitation in the next 30 days.

The Data Security component in Apple iOS before 5 and Apple TV before 4.4 does not properly restrict use of the MD5 hash algorithm within X.509 certificates, which makes it easier for man-in-the-middle attackers to spoof servers or obtain sensitive information via a crafted certificate.

Affected products

• Apple Apple Tv: version 4.0 only; version 4.1 only; version 4.2 only; version 4.3 only
• Apple iPhone OS: version 3.0 only; version 3.1 only; version 3.1.2 only; version 3.1.3 only; version 3.2 only; version 3.2.1 only; …

Published 2011-10-14. Last modified 2026-06-16.