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CVE-2001-0402

Published: Sep 18, 2001Updated: Apr 16, 2026 Sources: CVE List NVDNVD-CWE-Other
7.5HIGH
NVD MITRE
EPSS Score
2.4%
Top 17.4%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available
Self-Check
Not available

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.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:LAu:NC:PI:PA:P
Exploitability
AV:NAccess Vector
Network
AC:LAccess Complexity
Low
Au:NAuthentication
None
Impact
C:PConfidentiality
Partial
I:PIntegrity
Partial
A:PAvailability
Partial
Open in CVSS calculator →

Weaknesses

NVD-CWE-Other

Affected Products

darren reed
commercial
ipfilterOn-prem
Networking Infrastructure / firewall
freebsd
oss-project·US
freebsdOn-premOS
Operating Systems / unix-bsd
openbsd
oss-project·CA
openbsdOn-premOS
Operating Systems / unix-bsd
and 1 more affected products View all →

Exploitability

Official Patch Available
Is your org exposed to CVE-2001-0402?We can run the check for you — a free external exposure review, no install. Check my exposure

References

http://archives.neohapsis.com/archives/freebsd/2001-04/0338.html
archives.neohapsis.com
http://marc.info/?l=bugtraq&m=98679734015538&w=2
marc.info
https://exchange.xforce.ibmcloud.com/vulnerabilities/6331
exchange.xforce.ibmcloud.com

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