CVE-2004-1759: Cisco Call Manager

Medium severity, CVSS 5.0. EPSS: 2.4% chance of exploitation in the next 30 days.

Cisco voice products, when running the IBM Director Agent on IBM servers before OS 2000.2.6, allows remote attackers to cause a denial of service (CPU consumption) via arbitrary packets to TCP port 14247, as demonstrated using port scanning.

Affected products

• Cisco Call Manager: version 1.0 only; version 2.0 only; version 3.0 only; version 3.1 only; version 3.1(2) only; version 3.1(3a) only; …
• Cisco Conference Connection: version 1.1(1) only; version 1.2 only
• Cisco Emergency Responder: version 1.1 only
• Cisco Internet Service Node: any version
• Cisco IP Call Center Express Enhanced: version 3.0 only
• Cisco IP Call Center Express Standard: version 3.0 only
• Cisco IP Interactive Voice Response: version 3.0 only
• Cisco Personal Assistant: version 1.3(1) only; version 1.3(2) only; version 1.3(3) only; version 1.3(4) only; version 1.4(1) only; version 1.4(2) only
• IBM Director Agent: version 2.2 only; version 3.11 only
• IBM Mcs-7815-1000: any version
• IBM Mcs-7815i-2.0: any version
• IBM Mcs-7835i-2.4: any version
• IBM Mcs-7835i-3.0: any version
• IBM x330: version 8654 only; version 8674 only
• IBM x340: any version
• IBM x342: any version
• IBM x345: any version

Published 2004-01-21. Last modified 2026-06-16.