CVE-2003-0135

CVE-2003-0135 describes a vulnerability in the vsftpd FTP daemon as shipped with Red Hat Linux 9. The daemon was not compiled with TCP wrappers, preventing it from enforcing intended access restrictions. This vulnerability has a CVSS score of 7.5, indicating a high severity with network-based attacks possible without authentication, leading to potential compromise of confidentiality, integrity, and availability. While there is no evidence of active exploitation or public exploit code (Metasploit, Nuclei, ExploitDB), the vulnerability has garnered significant community discussion, suggesting awareness among security researchers.