CVE-2013-5143: Apple OS X Server

Medium severity, CVSS 6.8. EPSS: 0.6% chance of exploitation in the next 30 days.

The RADIUS service in Server App in Apple OS X Server before 3.0 selects a fallback X.509 certificate in unspecified circumstances, which might allow man-in-the-middle attackers to hijack RADIUS sessions by leveraging knowledge of the private key that matches this fallback certificate.

Affected products

• Apple OS X Server: up to and including 2.2.2; version 2.0 only; version 2.1 only; version 2.1.1 only; version 2.2 only; version 2.2.1 only

Published 2013-10-24. Last modified 2026-06-16.