Vulnerability in FreeBSD
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 of connection attempts, which fills the queue.
Published · last modified .
CVSS v2 metric
CVSS v2 base score 5.0 (Medium). Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.016 (75.3th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 75th percentile — 75.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.016 · newest: 0.016 · change: 0.000
Affected products
- FreeBSD — versions 4.5
References
- www.iss.net/security_center/static/9209.php (Patch, vdb-entry, Vendor Advisory)
- www.securityfocus.com/bid/4879 (Patch, vdb-entry, Vendor Advisory)
- www.osvdb.org/5081 (vdb-entry)
- archives.neohapsis.com/archives/freebsd/2002-05/0349.html (vendor-advisory, Patch, Vendor Advisory)