CVE-2001-0405

critical

Description

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.

References

https://exchange.xforce.ibmcloud.com/vulnerabilities/6390

https://euvd.enisa.europa.eu/vulnerability/EUVD-2001-0402

http://www.securityfocus.com/bid/2602

http://www.redhat.com/support/errata/RHSA-2001-084.html

http://www.redhat.com/support/errata/RHSA-2001-052.html

http://www.linux-mandrake.com/en/security/2001/MDKSA-2001-071.php3

http://archives.neohapsis.com/archives/bugtraq/2001-04/0271.html

Details

Source: Mitre, NVD

Published: 2001-07-02

Updated: 2026-06-16

Risk Information

CVSS v2

Base Score: 7.5

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P

Severity: High

CVSS v3

Base Score: 9.1

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Severity: Critical

EPSS

EPSS: 0.14298