CVE-2013-1033: Apple Mac OS X

Medium severity, CVSS 5.5. EPSS: 1.7% chance of exploitation in the next 30 days.

Screen Lock in Apple Mac OS X before 10.8.5 does not properly track sessions, which allows remote authenticated users to bypass locking by leveraging screen-sharing access.

Affected products

  • Apple Mac OS X: up to and including 10.8.4; version 10.8.0 only; version 10.8.1 only; version 10.8.2 only; version 10.8.3 only

Published 2013-09-16. Last modified 2026-06-16.