CVE-2018-3815: Stalker Communigate Pro

Medium severity, CVSS 5.7. EPSS: 0.9% chance of exploitation in the next 30 days.

The "XML Interface to Messaging, Scheduling, and Signaling" (XIMSS) protocol implementation in CommuniGate Pro (CGP) 6.2 suffers from a Missing XIMSS Protocol Validation attack that leads to an email spoofing attack, allowing a malicious authenticated attacker to send a message from any source email address. The attack uses an HTTP POST request to a /Session URI, and interchanges the XML From and To elements.

Affected products

• Stalker Communigate Pro: version 6.2 only

Published 2018-01-08. Last modified 2026-06-17.