vsftpd through 3.0.5 contains an authentication bypass vulnerability in ssl_data_accept() that allows unauthenticated attackers to hijack FTPS data connections by resuming their own TLS session ticket. Attackers sharing the victim's source IP can obtain a ticket via AUTH TLS, then connect to the victim's PASV port to steal downloads or inject upload data.
Advisories

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Fixes

Solution

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Workaround

No workaround given by the vendor.

History

Fri, 30 Oct 2026 16:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Fri, 30 Oct 2026 11:45:00 +0000

Type Values Removed Values Added
Description vsftpd through 3.0.5 contains an authentication bypass vulnerability in ssl_data_accept() that allows unauthenticated attackers to hijack FTPS data connections by resuming their own TLS session ticket. Attackers sharing the victim's source IP can obtain a ticket via AUTH TLS, then connect to the victim's PASV port to steal downloads or inject upload data.
Title vsftpd through 3.0.5 require_ssl_reuse Bypass via FTPS Data Channel Hijacking
First Time appeared Vsftpd Project
Vsftpd Project vsftpd
Weaknesses CWE-940
CPEs cpe:2.3:a:vsftpd_project:vsftpd:*:*:*:*:*:*:*:*
Vendors & Products Vsftpd Project
Vsftpd Project vsftpd
References
Metrics cvssV3_1

{'score': 7.4, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N'}

cvssV4_0

{'score': 9.1, 'vector': 'CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-10-30T15:54:01.560Z

Reserved: 2026-10-30T10:53:32.737Z

Link: CVE-2026-119568

cve-icon Vulnrichment

Updated: 2026-10-30T15:34:53.710Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-10-30T12:16:44.580

Modified: 2026-10-30T19:21:43.293

Link: CVE-2026-119568

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-30T13:15:15Z

Weaknesses