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CVE-2007-6740

Status: ModifiedMedium (4)—

The ftp_STOU function in FTPServer.py in pyftpdlib before 0.2.0 does not limit the number of attempts to discover a unique filename, which might allow remote authenticated users to cause a denial of service via a STOU command.

CVSS

Exploitation probability (EPSS)

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)

G.rodola — Pyftpdlib

CWEs

References

Raw JSON (NVD)

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{
  "id": "CVE-2007-6740",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 4,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:S/C:N/I:N/A:P",
          "authentication": "SINGLE",
          "integrityImpact": "NONE",
          "accessComplexity": "LOW",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "NONE"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 8,
        "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": "2010-10-19T20:00:02.360",
  "references": [
    {
      "url": "http://code.google.com/p/pyftpdlib/issues/detail?id=25",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://code.google.com/p/pyftpdlib/source/browse/trunk/HISTORY",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://code.google.com/p/pyftpdlib/source/detail?r=37",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://code.google.com/p/pyftpdlib/source/diff?spec=svn37&r=37&format=side&path=/trunk/pyftpdlib/FTPServer.py",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://code.google.com/p/pyftpdlib/issues/detail?id=25",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://code.google.com/p/pyftpdlib/source/browse/trunk/HISTORY",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://code.google.com/p/pyftpdlib/source/detail?r=37",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://code.google.com/p/pyftpdlib/source/diff?spec=svn37&r=37&format=side&path=/trunk/pyftpdlib/FTPServer.py",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-264"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "The ftp_STOU function in FTPServer.py in pyftpdlib before 0.2.0 does not limit the number of attempts to discover a unique filename, which might allow remote authenticated users to cause a denial of service via a STOU command."
    },
    {
      "lang": "es",
      "value": "La función ftp_STOU de FTPServer.py en pyftpdlib anterior a v0.2.0 no limita el número de intentos para descubrir un nombre de archivo único, lo que permite a usuarios autenticados remotamente provocar una denegación de servicio a través del comando STOU."
    }
  ],
  "lastModified": "2026-06-16T22:48:40.930",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:g.rodola:pyftpdlib:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "807615BB-C28B-462D-B0C7-4950E31B0CC6",
              "versionEndIncluding": "0.1.1"
            },
            {
              "criteria": "cpe:2.3:a:g.rodola:pyftpdlib:0.1:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "DB3D49FE-C51B-49E8-895E-AD4C4E138425"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "cve@mitre.org"
}