CVE-2010-1637: Apple Mac OS X

Medium severity, CVSS 6.5. EPSS: 2.7% chance of exploitation in the next 30 days.

The Mail Fetch plugin in SquirrelMail 1.4.20 and earlier allows remote authenticated users to bypass firewall restrictions and use SquirrelMail as a proxy to scan internal networks via a modified POP3 port number.

Affected products

• Apple Mac OS X: before 10.6.8 (fixed in 10.6.8)
• Apple Mac OS X Server: before 10.6.8 (fixed in 10.6.8)
• Fedoraproject Fedora: version 11 only; version 12 only; version 13 only
• Red Hat Enterprise Linux Desktop: version 5.0 only
• Red Hat Enterprise Linux Server: version 5.0 only
• Red Hat Enterprise Linux Workstation: version 5.0 only
• Squirrelmail Squirrelmail: up to and including 1.4.20

Published 2010-06-22. Last modified 2026-06-16.