CVE-2011-4800: SolarWinds Serv-U File Server

High severity, CVSS 9.0. EPSS: 7.3% chance of exploitation in the next 30 days.

Directory traversal vulnerability in Serv-U FTP Server before 11.1.0.5 allows remote authenticated users to read and write arbitrary files, and list and create arbitrary directories, via a "..:/" (dot dot colon forward slash) in the (1) list, (2) put, or (3) get commands.

Affected products

• SolarWinds Serv-U File Server: up to and including 11.1.0.3; version 3.0.0.16 only; version 3.0.0.17 only; version 3.1.0.0 only; version 3.1.0.1 only; version 3.1.0.3 only; …

Published 2011-12-14. Last modified 2026-06-16.