// For flags

CVE-2001-0402

IPFilter 3.x - Fragment Rule Bypass

Severity Score

7.5
*CVSS v2

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

1
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

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.

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Authentication
None
Confidentiality
Partial
Integrity
Partial
Availability
Partial
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2001-04-09 First Exploit
  • 2001-05-24 CVE Reserved
  • 2001-06-18 CVE Published
  • 2023-03-07 EPSS Updated
  • 2024-08-08 CVE Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
CWE
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Darren Reed
Search vendor "Darren Reed"
 Ipfilter
Search vendor "Darren Reed" for product "Ipfilter"
 <= 3.4.16
Search vendor "Darren Reed" for product "Ipfilter" and version " <= 3.4.16"
-
Affected
Freebsd
Search vendor "Freebsd"
 Freebsd
Search vendor "Freebsd" for product "Freebsd"
 <= 4.1
Search vendor "Freebsd" for product "Freebsd" and version " <= 4.1"
-
Affected
Openbsd
Search vendor "Openbsd"
 Openbsd
Search vendor "Openbsd" for product "Openbsd"
 2.8
Search vendor "Openbsd" for product "Openbsd" and version "2.8"
-
Affected