CVE-2003-0343

Status: ModifiedMedium (4.6)—

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.

CVSS

Version: 2.0
Vector: AV:L/AC:L/Au:N/C:P/I:P/A:P
Base score: 4.6

Exploitation probability (EPSS)

Probability of exploitation in the next 30 days: 0.48%
Percentile among all scored CVEs: 39
Score date: 10/5/2026

EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).

Affected technologies (1)

Selom Ofori — Blackmoon FTP Server

CWEs

NVD-CWE-Other

References

Raw JSON (NVD)

Show

{
  "id": "CVE-2003-0343",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 4.6,
          "accessVector": "LOCAL",
          "vectorString": "AV:L/AC:L/Au:N/C:P/I:P/A:P",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "LOW",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 6.4,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 3.9,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ]
  },
  "affected": [
    {
      "source": "cve@mitre.org",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2003-05-21T04:00:00.000",
  "references": [
    {
      "url": "http://marc.info/?l=bugtraq&m=105353283720837&w=2",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://marc.info/?l=bugtraq&m=105353283720837&w=2",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-Other"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "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."
    }
  ],
  "lastModified": "2026-06-16T22:02:01.977",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:selom_ofori:blackmoon_ftp_server:2.6:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "CF82DC26-E4BC-4757-B476-60204C3A6709"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "cve@mitre.org"
}