CVE-2026-119567

Publié : 30 octobre 2026

Modifié : 30 octobre 2026

Score CVSS

3.1

LOW

Description détaillée

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.

Vecteur d'attaque (CVSS)

Vecteur brut :CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N

Références et Patchs

https://abraxaslabs.tech/research/vsftpd-cmds-denied-alias https://security.appspot.com/vsftpd.html https://www.vulncheck.com/advisories/vsftpd-through-3.0.5-cmds-denied-bypass-via-rfc-775-command-aliases

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