Unrated severityNVD Advisory· Published Jun 18, 2001· Updated Jun 16, 2026

CVE-2001-0402

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Phildev/Ipfilter
cpe:2.3:a:darren_reed:ipfilter:*:*:*:*:*:*:*:*
Range: <=3.4.16
FreeBSD/FreeBSD
cpe:2.3:o:freebsd:freebsd:*:*:*:*:*:*:*:*
Range: <=4.1
OpenBSD/OpenBSD
cpe:2.3:o:openbsd:openbsd:2.8:*:*:*:*:*:*:*
IPFilter/IPFilterllm-fuzzy
Range: <=3.4.16

Patches

Vulnerability mechanics

References

archives.neohapsis.com/archives/freebsd/2001-04/0338.htmlnvdPatchVendor Advisory
marc.infonvd
exchange.xforce.ibmcloud.com/vulnerabilities/6331nvd

News mentions

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