CVE-2002-0794
The accept_filter mechanism in FreeBSD 4 through 4.5 does not properly remove entries from the incomplete listen queue when adding a syncache, which allows remote attackers to cause a denial of service (network service availability) via a large number…
Does this matter?
Lower severity and a low EPSS score (1.63%). Track it; it rarely justifies an emergency change on its own.
Description
The accept_filter mechanism in FreeBSD 4 through 4.5 does not properly remove entries from the incomplete listen queue when adding a syncache, which allows remote attackers to cause a denial of service (network service availability) via a large number of connection attempts, which fills the queue.
- CVSS 2.0
- 5.0 MEDIUMAV:N/AC:L/Au:N/C:N/I:N/A:P
- EPSS
- 1.63% probability · 76th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Affected
- freebsd/freebsd
- Source
- cve@mitre.org
EPSS 1.6% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- http://archives.neohapsis.com/archives/freebsd/2002-05/0349.htmlPatch, Vendor Advisory
- http://www.iss.net/security_center/static/9209.phpPatch, Vendor Advisory
- http://www.osvdb.org/5081
- http://www.securityfocus.com/bid/4879Patch, Vendor Advisory
- http://archives.neohapsis.com/archives/freebsd/2002-05/0349.htmlPatch, Vendor Advisory
- http://www.iss.net/security_center/static/9209.phpPatch, Vendor Advisory
- http://www.osvdb.org/5081
- http://www.securityfocus.com/bid/4879Patch, Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.