CVE-2013-5157: Apple iPhone OS

Medium severity, CVSS 5.0. EPSS: 1.5% chance of exploitation in the next 30 days.

The Twitter subsystem in Apple iOS before 7 does not require API conformity for access to Twitter daemon interfaces, which allows attackers to post Tweets 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.