CVE-2000-0091

NONECVSS 0.0Weaponized

0.0

Buffer overflow in vchkpw/vpopmail POP authentication package allows remote attackers to gain root privileges via a long username or password.

CVSS v3: —
EG Score: —
EPSS: 85.6%
KEV: Not listed

Published

January 21, 2000

Last Modified

April 16, 2026

References (6)

cve@mitrehttp://www.inter7.com/vpopmail/
cve@mitrehttp://www.inter7.com/vpopmail/ChangeLog
cve@mitrehttp://www.securityfocus.com/bid/942
af854a3a-2127-422b-91ae-364da2661108http://www.inter7.com/vpopmail/
af854a3a-2127-422b-91ae-364da2661108http://www.inter7.com/vpopmail/ChangeLog
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/942

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-19727✓ verified
First seen Jan 21, 2000
Inter7 vpopmail (vchkpw) 3.4.11 - Local Buffer Overflow
Open source ↗

Frequently asked(4)

What is CVE-2000-0091?

CVE-2000-0091 is a none vulnerability published on January 21, 2000. Buffer overflow in vchkpw/vpopmail POP authentication package allows remote attackers to gain root privileges via a long username or password.

When was CVE-2000-0091 disclosed?

CVE-2000-0091 was first published in the National Vulnerability Database on January 21, 2000, 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-2000-0091 actively exploited?

CVE-2000-0091 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 85.6% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

How do I remediate CVE-2000-0091?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2000-0091, 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-2000-0091

📅 Published

🔄 Last Modified

🔗 References (6)