National Vulnerability Database

National Vulnerability Database

National Vulnerability

CVE-2001-0402 Detail


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.

Source:  MITRE      Last Modified:  06/18/2001

Quick Info

CVE Dictionary Entry:
Original release date:
Last revised:


CVSS Severity (version 2.0):
CVSS v2 Base Score:
7.5 HIGH
(AV:N/AC:L/Au:N/C:P/I:P/A:P) (legend)
Impact Subscore:
Exploitability Subscore:
CVSS Version 2 Metrics:
Access Vector:
Network exploitable
Access Complexity:
Not required to exploit
Impact Type:
Provides user account access, Allows partial confidentiality, integrity, and availability violation; Allows unauthorized disclosure of information; Allows disruption of service

References to Advisories, Solutions, and Tools

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Hyperlink Resource Type Source Name Patch; Vendor Advisory External Source FREEBSD FreeBSD-SA-01:32 External Source BUGTRAQ 20010408 A fragmentation attack against IP Filter External Source XF ipfilter-access-ports(6331)

Technical Details

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Change History 4 change records found - show changes