CVE-2001-0402
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…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (2.44%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 2.0
- 7.5 HIGHAV:N/AC:L/Au:N/C:P/I:P/A:P
- EPSS
- 2.44% probability · 83th percentile
- CISA KEV
- Not listed
- Affected
- darren reed/ipfilter · freebsd/freebsd · openbsd/openbsd
- Source
- cve@mitre.org
References
- http://archives.neohapsis.com/archives/freebsd/2001-04/0338.htmlPatch, Vendor Advisory
- http://marc.info/?l=bugtraq&m=98679734015538&w=2
- https://exchange.xforce.ibmcloud.com/vulnerabilities/6331
- http://archives.neohapsis.com/archives/freebsd/2001-04/0338.htmlPatch, Vendor Advisory
- http://marc.info/?l=bugtraq&m=98679734015538&w=2
- https://exchange.xforce.ibmcloud.com/vulnerabilities/6331
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.