3.1Baja
CVE-2026-119567vsftpd through 3.0.5 cmds_denied Bypass via RFC 775 Command Aliases
Descripción
vsftpd through 3.0.5 contains an access control bypass vulnerability that allows authenticated FTP users to execute denied commands by issuing RFC 775 X-prefixed aliases. The cmds_denied check in process_post_login() compares literal tokens, so attackers can send XRMD, XMKD, XCWD, XPWD, or XCUP to perform blocked operations like deleting directories.
Debilidad (CWE):
CWE-184
Datos: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Se publican tal como los indican las fuentes, en inglés.
Productos y versiones afectados
Referencias y parches
- https://abraxaslabs.tech/research/vsftpd-cmds-denied-alias third-party-advisory
- https://security.appspot.com/vsftpd.html product
- VulnCheck Advisory: vsftpd through 3.0.5 cmds_denied Bypass via RFC 775 Command Aliases third-party-advisory