CVE-2001-0402

high

Description

IPFilter 3.4.16 and earlier does not include sufficient session information in its cache, which allows remote attackers to bypass access restrictions by sending fragmented packets to a restricted port after sending unfragmented packets to an unrestricted port.

References

https://exchange.xforce.ibmcloud.com/vulnerabilities/6331

http://marc.info/?l=bugtraq&m=98679734015538&w=2

http://archives.neohapsis.com/archives/freebsd/2001-04/0338.html

Details

Source: Mitre, NVD

Published: 2001-06-18

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: 7.5

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

Severity: High

EPSS

EPSS: 0.03359