TI-2001-00395 Aliases CVE-2001-0402 GHSA-vp6g-4h84-xm52

IPFilter 3.4.16 and earlier does not include sufficient session information in its cache…

LOW 38Published 2001-09-18 · Updated 2024-08-08

Key facts

Attack vector: Network
Privileges required: None
User interaction: — Not recorded in CVSS 2.0
Attack complexity: Low
Impact type: —
Confidentiality · integrity · availability: Partial · Partial · Partial
Fix status: No fix listed

Attack profile from CVSS 2.0 · NVD. Fix status from CNA.

Summary

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.

Why it matters now

EPSS 0.02445 84th percentileScored 2026-11-07

Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
—	—	all versions	—	No fix listed	CNA

— Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 3

CPE	Versions	Role	Vendor
cpe:2.3:a:darren_reed:ipfilter::::::::	up to 3.4.16	Vulnerable	Darren Reed
cpe:2.3:o:freebsd:freebsd::::::::	up to 4.1	Vulnerable	FreeBSD
cpe:2.3:o:openbsd:openbsd:2.8:::::::*	2.8	Vulnerable	OpenBSD

cpe:2.3:a:darren_reed:ipfilter:*:*:*:*:*:*:*:* Versions up to 3.4.16 Vulnerable ·Darren Reed
cpe:2.3:o:freebsd:freebsd:*:*:*:*:*:*:*:* Versions up to 4.1 Vulnerable ·FreeBSD
cpe:2.3:o:openbsd:openbsd:2.8:*:*:*:*:*:*:* Versions 2.8 Vulnerable ·OpenBSD

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2001-0402
2026-10-03 Alias added: GHSA-vp6g-4h84-xm52

References

Patch 1

FreeBSD-SA-01:32

Other 1

20010408 A fragmentation attack against IP Filter

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences