CVE-2026-109681

MEDIUM
MEDIUM Priority: 0.01 BB Relevance: 59/100
Published: 2026-10-20 Modified: 2026-10-28 First seen: 2026-10-29 Status: active

Attack Surface

Network Low Complexity No Auth Scope Change

CVSS Vector Breakdown

AV: Network
AC: Low
PR: None
UI: Required
S: Changed
C: Low
I: None
A: None

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.

Weakness Classification (1)

Affected Software (2)

VendorProductVersion
Rapid7 Metasploit Framework 0 < 6.5.7
Rapid7 Metasploit Framework 0 < 6.5.7

Bug Bounty Relevance

59 / 100
✓ Network accessible
✓ No authentication
✓ Low complexity

CVSS Score

4.7 / 10.0 v3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:N/A:N

EPSS — Exploitation Probability

0.20%
Raw Score 0.002010
Percentile 10.1%
Date 2026-10-29

EPSS Trend

2026-10-29
0.00201
2026-10-28
0.00201

Intelligence Sources

mitre ref →
nvd ref →