5.0med

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 syncac…

Published 24 y ago · modified 4 mo ago · JSON

CVSS
5.0
v2.0 · NVD
CISA KEV
No
not known exploited
EPSS
1.6%
percentile 76%
Public exploits
0
none known

Summary

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.

Exploit prediction (EPSS)

1.63% probability of exploitation in the next 30 days, higher than 76% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
NVD2.05.0AV:N/AC:L/Au:N/C:N/I:N/A:P

References

  • iss.net /security_center/static/9209.php · vdb-entry, x_refsource_XF, x_transferred
  • securityfocus.com /bid/4879 · vdb-entry, x_refsource_BID, x_transferred
  • osvdb.org /5081 · vdb-entry, x_refsource_OSVDB, x_transferred
  • archives.neohapsis.com /archives/freebsd/2002-05/0349.html · vendor-advisory, x_refsource_FREEBSD, 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.