CVE-1999-1148

NONECVSS 0.0Elevated

0.0

FTP service in IIS 4.0 and earlier allows remote attackers to cause a denial of service (resource exhaustion) via many passive (PASV) connections at the same time.

CVSS v3: —
EG Score: —
EPSS: 95.3%
KEV: Not listed

Published

December 31, 1999

Last Modified

April 16, 2026

References (6)

cve@mitrehttp://support.microsoft.com/support/kb/articles/Q189/2/62.ASP
cve@mitrehttps://docs.microsoft.com/en-us/security-updates/securitybulletins/1998/ms98-006
cve@mitrehttps://exchange.xforce.ibmcloud.com/vulnerabilities/1215
af854a3a-2127-422b-91ae-364da2661108http://support.microsoft.com/support/kb/articles/Q189/2/62.ASP
af854a3a-2127-422b-91ae-364da2661108https://docs.microsoft.com/en-us/security-updates/securitybulletins/1998/ms98-006
af854a3a-2127-422b-91ae-364da2661108https://exchange.xforce.ibmcloud.com/vulnerabilities/1215

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.

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Frequently asked(4)

What is CVE-1999-1148?

CVE-1999-1148 is a none vulnerability published on December 31, 1999. FTP service in IIS 4.0 and earlier allows remote attackers to cause a denial of service (resource exhaustion) via many passive (PASV) connections at the same time.

When was CVE-1999-1148 disclosed?

CVE-1999-1148 was first published in the National Vulnerability Database on December 31, 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-1999-1148 actively exploited?

CVE-1999-1148 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 95.3% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

How do I remediate CVE-1999-1148?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-1999-1148, 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-1999-1148

📅 Published

🔄 Last Modified

🔗 References (6)