3.1Niedrig
CVE-2026-119567vsftpd through 3.0.5 cmds_denied Bypass via RFC 775 Command Aliases
Beschreibung
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.
Schwachstellentyp (CWE):
CWE-184
Daten: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Wiedergegeben wie in der Quelle, auf Englisch.
Betroffene Produkte und Versionen
Referenzen und Patches
- 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