CVE-2001-0405

ip_conntrack_ftp in the IPTables firewall for Linux 2.4 allows remote attackers to bypass access...

7.5 HighPublic exploit

ip_conntrack_ftp in the IPTables firewall for Linux 2.4 allows remote attackers to bypass access restrictions for an FTP server via a PORT command that lists an arbitrary IP address and port number, which is added to the RELATED table and allowed by the firewall.

Exploit likelihood

10.3%Up 3.5 points since Feb 4, 2022

What each source reports

NVD Score used 7.5

Record: CVE-2001-0405
CVSS 2.0: 7.5 HighAV:N/AC:L/Au:N/C:P/I:P/A:P
Updated: 2026-11-02

CVE List No score

Record: CVE-2001-0405
Updated: 2026-11-02

EUVDEUVD-2001-0402 No score

Record: EUVD-2001-0402
Updated: 2026-11-03

GitHub AdvisoriesGHSA-qphq-fjvj-6855 No score

ip_conntrack_ftp in the IPTables firewall for Linux 2.4 allows remote attackers to bypass access...

Record: GHSA-qphq-fjvj-6855
Updated: 2026-11-02

Affected products

linux kernel

Public exploits

Links only. Every CVE stores no exploit code.

Public exploits
Source	Link	Date
Exploit-DB	Linux Kernel 2.4 - IPTables FTP Stateful Inspection Arbitrary Filter Rule Insertion	2001-04-16

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, Exploit-DB, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2001-0405 is a high vulnerability (CVSS 7.5) in Linux Kernel, published July 2, 2001. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 10.3%, the 95th percentile. No source names a fixed version.