CVE-2000-1033

NONECVSS 0.0Weaponized

0.0

Serv-U FTP Server allows remote attackers to bypass its anti-hammering feature by first logging on as a valid user (possibly anonymous) and then attempting to guess the passwords of other users.

CVSS v3: —
EG Score: —
EPSS: 88.3%
KEV: Not listed

Published

December 11, 2000

Last Modified

April 16, 2026

References (6)

cve@mitrehttp://www.securityfocus.com/archive/1/141905
cve@mitrehttp://www.securityfocus.com/bid/1860
cve@mitrehttps://exchange.xforce.ibmcloud.com/vulnerabilities/5436
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/archive/1/141905
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/1860
af854a3a-2127-422b-91ae-364da2661108https://exchange.xforce.ibmcloud.com/vulnerabilities/5436

Data Freshness Timeline

(refreshed 9× in last 7d / 15× 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
2026-05-27 13:37 UTCepss_batch
2026-05-24 16:42 UTCepss_batch
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

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-20334✓ verified
First seen Oct 29, 2000
Cat Soft Serv-U FTP Server 2.5.x - Brute Force
Open source ↗

Frequently asked(4)

What is CVE-2000-1033?

CVE-2000-1033 is a none vulnerability published on December 11, 2000. Serv-U FTP Server allows remote attackers to bypass its anti-hammering feature by first logging on as a valid user (possibly anonymous) and then attempting to guess the passwords of other users.

When was CVE-2000-1033 disclosed?

CVE-2000-1033 was first published in the National Vulnerability Database on December 11, 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-2000-1033 actively exploited?

CVE-2000-1033 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 88.3% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

How do I remediate CVE-2000-1033?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2000-1033, 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-2000-1033

📅 Published

🔄 Last Modified

🔗 References (6)