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HistorySep 18, 2001 - 4:00 a.m.
CVE-2001-0402
ipfilter
cache
session information
access restriction
bypass
cve-2001-0402
nvd
7.5 High
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:P/I:P/A:P
6.9 Medium
AI Score
Confidence
Low
0.026 Low
EPSS
Percentile
90.3%
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.
Affected configurations
Node
darren_reedipfilterRange≤3.4.16
Node
freebsdfreebsdRange≤4.1
ORopenbsdopenbsdMatch2.8
| CPE | Name | Operator | Version |
|---|---|---|---|
| darren_reed:ipfilter | darren reed ipfilter | le | 3.4.16 |
7.5 High
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:P/I:P/A:P
6.9 Medium
AI Score
Confidence
Low
0.026 Low
EPSS
Percentile
90.3%
Related for CVE-2001-0402