CVE-2000-0306

NONECVSS 0.0Weaponized

0.0

Buffer overflow in calserver in SCO OpenServer allows remote attackers to gain root access via a long message.

CVSS v3: —
EG Score: —
EPSS: 92.0%
KEV: Not listed

Published

March 12, 2001

Last Modified

April 16, 2026

References (4)

cve@mitreftp://ftp.sco.com/SSE/security_bulletins/SB-99.02a
cve@mitrehttp://www.securityfocus.com/templates/archive.pike?list=1&date=1998-12-29&msg=AAh6GYsGU1%40leshka.chuvashia.su
af854a3a-2127-422b-91ae-364da2661108ftp://ftp.sco.com/SSE/security_bulletins/SB-99.02a
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/templates/archive.pike?list=1&date=1998-12-29&msg=AAh6GYsGU1%40leshka.chuvashia.su

Data Freshness Timeline

(refreshed 14× in last 7d / 20× 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-20620✓ verified
First seen Dec 29, 1998
SCO UNIX 5 calserver - Remote Buffer Overflow
Open source ↗

Frequently asked(4)

What is CVE-2000-0306?

CVE-2000-0306 is a none vulnerability published on March 12, 2001. Buffer overflow in calserver in SCO OpenServer allows remote attackers to gain root access via a long message.

When was CVE-2000-0306 disclosed?

CVE-2000-0306 was first published in the National Vulnerability Database on March 12, 2001, 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-2000-0306 actively exploited?

CVE-2000-0306 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 92.0% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

How do I remediate CVE-2000-0306?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2000-0306, 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-2000-0306

📅 Published

🔄 Last Modified

🔗 References (4)