CVE-2008-1749: Cisco Content Switching Module

High severity, CVSS 7.8. EPSS: 1.9% chance of exploitation in the next 30 days.

Memory leak in Cisco Content Switching Module (CSM) 4.2(3) up to 4.2(8) and Cisco Content Switching Module with SSL (CSM-S) 2.1(2) up to 2.1(7) allows remote attackers to cause a denial of service (memory consumption) via TCP segments with an unspecified combination of TCP flags.

Affected products

• Cisco Cisco Content Switching Module: version 4.2.3 only; version 4.2.3a only; version 4.2.4 only; version 4.2.5 only; version 4.2.6 only; version 4.2.7 only; …
• Cisco Cisco Content Switching Module SSL: version 2.1.2 only; version 2.1.3 only; version 2.1.4 only; version 2.1.5 only; version 2.1.6 only; version 2.1.7 only

Published 2008-05-14. Last modified 2026-06-16.