CVE-2004-0056: Nortel 802.11 Wireless IP Gateway

High severity, CVSS 7.5. EPSS: 3.8% chance of exploitation in the next 30 days.

Multiple vulnerabilities in the H.323 protocol implementation for Nortel Networks Business Communications Manager (BCM), Succession 1000 IP Trunk and IP Peer Networking, and 802.11 Wireless IP Gateway allow remote attackers to cause a denial of service and possibly execute arbitrary code, as demonstrated by the NISCC/OUSPG PROTOS test suite for the H.225 protocol.

Affected products

• Nortel 802.11 Wireless IP Gateway: any version
• Nortel Business Communications Manager: any version
• Nortel Succession Communication Server 1000: any version

Published 2004-02-17. Last modified 2026-06-16.