{"id":"CVE-2000-0489","url":"https://www.cyber-defence.io/tools/cve/CVE-2000-0489","generatedAt":"2026-10-27T21:40:41.439Z","title":"FreeBSD, NetBSD, and OpenBSD allow an attacker to cause a denial of service by creating a large number of socket pairs using the socketpair function, setting a large buffer size via setsockopt, then writing large buffers.","description":"FreeBSD, NetBSD, and OpenBSD allow an attacker to cause a denial of service by creating a large number of socket pairs using the socketpair function, setting a large buffer size via setsockopt, then writing large buffers.","published":"1999-09-05T04:00:00.000Z","lastModified":"2026-06-16T21:51:51.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","cvss":{"version":"2.0","score":2.1,"severity":"LOW","vector":"AV:L/AC:L/Au:N/C:N/I:N/A:P"},"cwe":[],"affected":["freebsd/freebsd","netbsd/netbsd","openbsd/openbsd"],"epss":{"score":0.00702,"percentile":0.52997,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":1,"verified":true,"firstPublished":"1999-09-05","source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[{"edbId":19488,"kind":"exploit","title":"FreeBSD 5.0 / NetBSD 1.4.2 / OpenBSD 2.7 - 'setsockopt()' Denial of Service","url":"https://www.exploit-db.com/exploits/19488","sourceUrl":"https://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/bsd/dos/19488.c","file":"exploits/bsd/dos/19488.c","published":"1999-09-05","added":"1999-09-05","updated":"2012-06-30","author":"L. Sassaman","type":"dos","platform":"bsd","port":null,"verified":true,"codes":["CVE-2000-0489","OSVDB-1066"],"tags":null,"aliases":null,"applicationUrl":null,"screenshotUrl":null,"referenceUrl":"https://www.securityfocus.com/bid/622/info"}]},"verdict":{"level":"high","text":"A public exploit is published in Exploit-DB (verified), so the technical barrier is gone even though the severity is low and EPSS is 0.7%. Treat it as high on anything reachable from the internet."},"changes":[],"references":[{"url":"http://www.securityfocus.com/bid/622","source":"cve@mitre.org"},{"url":"http://www.securityfocus.com/templates/archive.pike?list=1&msg=NCBBKFKDOLAGKIAPMILPCEJLCEAA.labs%40ussrback.com","source":"cve@mitre.org"},{"url":"http://www.securityfocus.com/templates/archive.pike?list=1&msg=Pine.LNX.4.10.9908270039010.16315-100000%40thetis.deor.org","source":"cve@mitre.org"},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/3298","source":"cve@mitre.org"},{"url":"http://www.securityfocus.com/bid/622","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securityfocus.com/templates/archive.pike?list=1&msg=NCBBKFKDOLAGKIAPMILPCEJLCEAA.labs%40ussrback.com","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securityfocus.com/templates/archive.pike?list=1&msg=Pine.LNX.4.10.9908270039010.16315-100000%40thetis.deor.org","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/3298","source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2000-0489","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}