vulnwire
7.5high

CVE-2001-04021 exploit

IPFilter 3.4.16 and earlier does not include sufficient session information in its cache, which allows remote attackers to bypass access re…

Published 25 y ago · modified 4 mo ago · JSON

CVSS
7.5
v2.0 · NVD
CISA KEV
No
not known exploited
EPSS
2.4%
percentile 84%
Public exploits
1
Exploit-DB

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.

Exploit prediction (EPSS)

2.44% probability of exploitation in the next 30 days, higher than 84% of all scored CVEs.

Exploits and detections

  • EDB-20730 IPFilter 3.x - Fragment Rule Bypass · remote · 2001-04-09

CVSS scores

Assigned byVersionScoreVector
NVD2.07.5AV:N/AC:L/Au:N/C:P/I:P/A:P

References

  • archives.neohapsis.com /archives/freebsd/2001-04/0338.html · vendor-advisory, x_refsource_FREEBSD, x_transferred
  • exchange.xforce.ibmcloud.com /vulnerabilities/6331 · vdb-entry, x_refsource_XF, x_transferred
  • marc.info /?l=bugtraq&m=98679734015538&w=2 · mailing-list, x_refsource_BUGTRAQ, x_transferred

Sources

vulnwire keeps one entry per vulnerability: the CVE id wins, then GHSA; records that alias each other are merged. Machine-readable: JSON.