CVE-2000-0489

NONECVSS 0.0Weaponized

0.0

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.

CVSS v3: —
EG Score: —
EPSS: 77.8%
KEV: Not listed

Published

September 5, 1999

Last Modified

April 16, 2026

References (8)

cve@mitrehttp://www.securityfocus.com/bid/622
cve@mitrehttp://www.securityfocus.com/templates/archive.pike?list=1&msg=NCBBKFKDOLAGKIAPMILPCEJLCEAA.labs%40ussrback.com
cve@mitrehttp://www.securityfocus.com/templates/archive.pike?list=1&msg=Pine.LNX.4.10.9908270039010.16315-100000%40thetis.deor.org
cve@mitrehttps://exchange.xforce.ibmcloud.com/vulnerabilities/3298
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/622
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/templates/archive.pike?list=1&msg=NCBBKFKDOLAGKIAPMILPCEJLCEAA.labs%40ussrback.com
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/templates/archive.pike?list=1&msg=Pine.LNX.4.10.9908270039010.16315-100000%40thetis.deor.org
af854a3a-2127-422b-91ae-364da2661108https://exchange.xforce.ibmcloud.com/vulnerabilities/3298

Data Freshness Timeline

(refreshed 13× in last 7d / 19× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-05-29 13:40 UTCepss_batch
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Publicly available exploits

(1 reference)

Working exploit code is in the public domain (1 Exploit-DB entry). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

Exploit-DBEDB-19488✓ verified
First seen Sep 5, 1999
FreeBSD 5.0 / NetBSD 1.4.2 / OpenBSD 2.7 - 'setsockopt()' Denial of Service
Open source ↗

Frequently asked(4)

What is CVE-2000-0489?

CVE-2000-0489 is a none vulnerability published on September 5, 1999. 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.

When was CVE-2000-0489 disclosed?

CVE-2000-0489 was first published in the National Vulnerability Database on September 5, 1999, with the most recent update on April 16, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2000-0489 actively exploited?

CVE-2000-0489 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 77.8% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

How do I remediate CVE-2000-0489?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2000-0489, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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CVE-2000-0489

📅 Published

🔄 Last Modified

🔗 References (8)