Vulnerability Description
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.
CVSS Score
LOW
Related Weaknesses (CWE)
References
- 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
FAQ
What is CVE-2026-119567?
CVE-2026-119567 is a vulnerability with a CVSS score of 3.1 (LOW). 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 proc...
How severe is CVE-2026-119567?
CVE-2026-119567 has been rated LOW with a CVSS base score of 3.1/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-119567?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.