CVE-2004-2089

CVE-2004-2089 describes a denial-of-service vulnerability in Matrix FTP Server, affecting versions of the product. An unauthenticated remote attacker can crash the server by logging in with " " (four spaces) as both username and password, then issuing a LIST command. This vulnerability has a CVSS score of 5.0, indicating a medium severity, with low attack complexity and no authentication required, leading to a partial availability impact. While there is no known active exploitation, public exploit code, or Metasploit/Nuclei modules, the vulnerability has garnered significant community discussion with 10 mentions.