CVE-2003-0343

BlackMoon FTP Server 2.6 Free Edition, and possibly other distributions and versions, generates an "Account does not exist" error message when an invalid username is entered, which makes it easier for remote attackers to conduct brute force attacks.

Published: 2003-05-21 Last update: 2026-04-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2003-0343 is rated Low Risk (37.2/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 0.20%). Monitor for updates and reassess as exploit intelligence or EPSS changes.

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

Exploit prediction scoring system (EPSS) score for CVE-2003-0343

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 2023-03-07 1.05% 0.20% -0.85%
2 2022-02-04 — 1.05% —

Full EPSS history (2 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2003-0343

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
4.6 2.0 MEDIUM
AV:L/AC:L/Au:N/C:P/I:P/A:P Click to expand
Access vector (AV:L)
Requires local access to the target system.
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.
 3.9 6.4 [email protected]

Weakness enumeration for CVE-2003-0343

Affected software / configurations for CVE-2003-0343

Vendor Product Version Raw CPE
selom_ofori blackmoon_ftp_server 2.6 cpe:2.3:a:selom_ofori:blackmoon_ftp_server:2.6:*:*:*:*:*:*:*

References for CVE-2003-0343

cvelogic Threat Intelligence