CVE-2000-1033

Exp

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.

Published: 2000-12-11 Last update: 2026-04-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2000-1033 is rated High Exploit Risk (72.6/100): CVSS High severity, with medium exploitation likelihood (EPSS 3.79%). 2 public exploit reference(s) are indexed (Exploit-DB). Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Public exploit references (Exploit-DB) for CVE-2000-1033

EDB-ID Source Kind Published Link
20334 exploit_db edb 2000-10-29 Exploit-DB ↗
— nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2000-1033

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2025-03-30 6.63% 3.79% -2.84%
2 2025-03-29 3.79% 6.63% +2.84%
3 2025-03-17 — 3.79% —

Full EPSS history (6 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2000-1033

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.5 2.0 HIGH
AV:N/AC:L/Au:N/C:P/I:P/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
 10.0 6.4 [email protected]

Weakness enumeration for CVE-2000-1033

Affected software / configurations for CVE-2000-1033

Vendor Product Version Raw CPE
cat_soft serv-u 2.5x cpe:2.3:a:cat_soft:serv-u:2.5x:*:*:*:*:*:*:*

References for CVE-2000-1033

cvelogic Threat Intelligence