CVE-1999-1500

NONECVSS 0.0

0.0

Internet Anywhere POP3 Mail Server 2.3.1 allows remote attackers to cause a denial of service (crash) via (1) LIST, (2) TOP, or (3) UIDL commands using letters as arguments.

CVSS v3: —
EG Score: —
EPSS: 74.1%
KEV: Not listed

Published

October 1, 1999

Last Modified

April 16, 2026

References (4)

cve@mitrehttp://marc.info/?l=ntbugtraq&m=93880357530599&w=2
cve@mitrehttp://www.securityfocus.com/bid/733
af854a3a-2127-422b-91ae-364da2661108http://marc.info/?l=ntbugtraq&m=93880357530599&w=2
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/733

Data Freshness Timeline

(refreshed 13× 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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2026-05-18 21:29 UTCepss_batch
2026-05-18 21:29 UTCepss_batch

Frequently asked(4)

What is CVE-1999-1500?

CVE-1999-1500 is a none vulnerability published on October 1, 1999. Internet Anywhere POP3 Mail Server 2.3.1 allows remote attackers to cause a denial of service (crash) via (1) LIST, (2) TOP, or (3) UIDL commands using letters as arguments.

When was CVE-1999-1500 disclosed?

CVE-1999-1500 was first published in the National Vulnerability Database on October 1, 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-1999-1500 actively exploited?

CVE-1999-1500 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 74.1% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

How do I remediate CVE-1999-1500?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-1999-1500, 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-1999-1500

📅 Published

🔄 Last Modified

🔗 References (4)