CVE-2013-5181: Apple Mac OS X

Medium severity, CVSS 4.3. EPSS: 1.5% chance of exploitation in the next 30 days.

The auto-configuration feature in Mail in Apple Mac OS X before 10.9 selects plaintext authentication for unspecified servers that support CRAM-MD5 authentication, which allows remote attackers to obtain sensitive information by sniffing the network.

Affected products

• Apple Mac OS X: up to and including 10.8.5; version 10.8.0 only; version 10.8.1 only; version 10.8.2 only; version 10.8.3 only; version 10.8.4 only; …

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