CVE-2001-0402 json
IPFilter 3.4.16 and earlier does not include sufficient session information in its cache, which allows remote attackers to bypass access re…
published 2001-06-18 25 y ago modified 2026-06-16 4 mo ago also EUVD-2001-0399
- cvss
- 7.5
- version 2.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 2.4%
- EPSS 2.4% chance of exploitation in 30 days, percentile 84%
- public exploits
- 1
- Exploit-DB
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.
Patch / fix
Timeline
- First public exploit (EDB-20730)
- Published
Exploit prediction
2.44% chance of exploitation in the next 30 days, higher than 84% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- EDB-20730 IPFilter 3.x - Fragment Rule Bypass remote, 2001-04-09
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 2.0 | 7.5 | AV:N/AC:L/Au:N/C:P/I:P/A:P |
References
-
archives.neohapsis.com
/archives/freebsd/2001-04/0338.html
vendor-advisory, patch
-
exchange.xforce.ibmcloud.com
/vulnerabilities/6331
vdb-entry
-
marc.info
/?l=bugtraq&m=98679734015538&w=2
mailing-list
Sources
- CVE List CVE-2001-0402
- NVD CVE-2001-0402
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.