CVE-2001-0335

NONECVSS 0.0Elevated

0.0

FTP service in IIS 5.0 and earlier allows remote attackers to enumerate Guest accounts in trusted domains by preceding the username with a special sequence of characters.

CVSS v3: —
EG Score: —
EPSS: 97.2%
KEV: Not listed

Published

June 27, 2001

Last Modified

April 16, 2026

References (6)

cve@mitrehttp://www.securityfocus.com/bid/2719
cve@mitrehttps://docs.microsoft.com/en-us/security-updates/securitybulletins/2001/ms01-026
cve@mitrehttps://exchange.xforce.ibmcloud.com/vulnerabilities/6545
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/2719
af854a3a-2127-422b-91ae-364da2661108https://docs.microsoft.com/en-us/security-updates/securitybulletins/2001/ms01-026
af854a3a-2127-422b-91ae-364da2661108https://exchange.xforce.ibmcloud.com/vulnerabilities/6545

Data Freshness Timeline

(refreshed 9× in last 7d / 16× 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
2026-05-28 13:42 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-27 13:37 UTCepss_batch
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2026-05-26 07:16 UTCepss_batch
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2026-05-22 21:15 UTCepss_batch
2026-05-21 22:38 UTCepss_batch
2026-05-20 22:36 UTCepss_batch
2026-05-20 11:20 UTCepss_batch
2026-05-20 11:20 UTCepss_batch
2026-05-18 21:29 UTCepss_batch
2026-05-18 21:29 UTCepss_batch

Frequently asked(4)

What is CVE-2001-0335?

CVE-2001-0335 is a none vulnerability published on June 27, 2001. FTP service in IIS 5.0 and earlier allows remote attackers to enumerate Guest accounts in trusted domains by preceding the username with a special sequence of characters.

When was CVE-2001-0335 disclosed?

CVE-2001-0335 was first published in the National Vulnerability Database on June 27, 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-2001-0335 actively exploited?

CVE-2001-0335 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 97.2% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

How do I remediate CVE-2001-0335?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2001-0335, 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.

Dependency Blast Radius

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CVE-2001-0335

📅 Published

🔄 Last Modified

🔗 References (6)