CVE-2009-2544: Marcelo Costa Fileserver

Medium severity, CVSS 6.8. EPSS: 3.4% chance of exploitation in the next 30 days.

Directory traversal vulnerability in the Marcelo Costa FileServer component 1.0 for Microsoft Windows Live Messenger and Messenger Plus! Live (MPL) allows remote authenticated users to list arbitrary directories and read arbitrary files via a .. (dot dot) in a pathname.

Affected products

• Marcelo Costa Fileserver: version 1.0 only

Published 2009-07-20. Last modified 2026-06-16.