The FTP client trusts the server's PASV response IP:port without validation against the control connection target. A rogue FTP server can specify any IP:port in the 227 Passive Mode response, causing the operator's machine to open a TCP connection to an arbitrary host.

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History

Tue, 20 Oct 2026 23:30:00 +0000

Type Values Removed Values Added
Description The FTP client trusts the server's PASV response IP:port without validation against the control connection target. A rogue FTP server can specify any IP:port in the 227 Passive Mode response, causing the operator's machine to open a TCP connection to an arbitrary host.
Title Metasploit Framework FTP PASV Response SSRF
Weaknesses CWE-918
References
Metrics cvssV3_1

{'score': 4.7, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:N/A:N'}


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cve-icon MITRE

Status: PUBLISHED

Assigner: rapid7

Published:

Updated: 2026-10-20T23:11:51.931Z

Reserved: 2026-10-12T22:16:38.505Z

Link: CVE-2026-109681

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-10-21T00:17:17.830

Modified: 2026-10-21T00:17:17.830

Link: CVE-2026-109681

cve-icon Redhat

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cve-icon OpenCVE Enrichment

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Weaknesses