CVE-2006-0223: Topcmm Computing 123 Flash Chat Server

Medium severity, CVSS 5.0. EPSS: 1.6% chance of exploitation in the next 30 days.

Directory traversal vulnerability in Shanghai TopCMM 123 Flash Chat Server Software 5.1 allows attackers to create or overwrite arbitrary files on the server via ".." (dot dot) sequences in the username field.

Affected products

• Topcmm Computing 123 Flash Chat Server: version 5.0 only; version 5.1 only

Published 2006-01-16. Last modified 2026-06-16.