CVE-2003-1112: Ingate Firewall

High severity, CVSS 7.5. EPSS: 4.7% chance of exploitation in the next 30 days.

The Session Initiation Protocol (SIP) implementation in Ingate Firewall and Ingate SIParator before 3.1.3 allows remote attackers to cause a denial of service and possibly execute arbitrary code via crafted INVITE messages, as demonstrated by the OUSPG PROTOS c07-sip test suite.

Affected products

• Ingate Ingate Firewall: any version
• Ingate Ingate Siparator: any version

Published 2003-12-31. Last modified 2026-06-16.