CVE-2010-1838: Apple Mac OS X

Medium severity, CVSS 4.4. EPSS: 0.7% chance of exploitation in the next 30 days.

Directory Services in Apple Mac OS X 10.5.8 and 10.6.x before 10.6.5 does not properly handle errors associated with disabled mobile accounts, which allows remote attackers to bypass authentication by providing a valid account name.

Affected products

• Apple Mac OS X: version 10.5.8 only; version 10.6.0 only; version 10.6.1 only; version 10.6.2 only; version 10.6.3 only; version 10.6.4 only
• Apple Mac OS X Server: version 10.5.8 only; version 10.6.0 only; version 10.6.1 only; version 10.6.2 only; version 10.6.3 only; version 10.6.4 only

Published 2010-11-15. Last modified 2026-06-16.