CVE-2006-4021: Scatterchat

Low severity, CVSS 2.6. EPSS: 0.7% chance of exploitation in the next 30 days.

The cryptographic module in ScatterChat 1.0.x allows attackers to identify patterns in large numbers of messages by identifying collisions using a birthday attack on the custom padding mechanism for ECB mode encryption.

Affected products

• Scatterchat Scatterchat: version 1.0.1 only

Published 2006-08-17. Last modified 2026-06-16.