CVE-2005-0598: Cisco Application And Content Networking Software

Medium severity, CVSS 5.0. EPSS: 3.2% chance of exploitation in the next 30 days.

The RealServer RealSubscriber on Cisco devices running Application and Content Networking System (ACNS) 5.1 allow remote attackers to cause a denial of service (CPU consumption) via malformed packets.

Affected products

• Cisco Application And Content Networking Software: version (acns) only; version 4.0.3 only; version 4.1.1 only; version 4.1.3 only; version 4.2 only; version 4.2.9 only; …
• Cisco Content Delivery Manager: version 4630 only; version 4650 only
• Cisco Content Distribution Manager 4630: any version; version 4.0 only; version 4.1 only
• Cisco Content Distribution Manager 4650: any version; version 4.0 only; version 4.1 only
• Cisco Content Distribution Manager 4670: any version
• Cisco Content Engine: version 507 only; version 507_2.2_.0 only; version 507_3.1 only; version 507_4.0 only; version 507_4.1 only; version 510 only; …
• Cisco Content Engine Module For Cisco Router: version 2600_series only; version 2800_series only; version 3600_series only; version 3700_series only; version 3800_series only
• Cisco Content Router 4430: any version
• Cisco Content Router 4450: any version
• Cisco Enterprise Content Delivery Network Software: version 4.0 only; version 4.1 only

Published 2005-02-24. Last modified 2026-06-16.