FKIE_CVE-2015-6386

Vulnerability from fkie_nvd - Published: 2015-12-01 11:59 - Updated: 2026-06-17 00:30
Severity
Summary
The passthrough FTP feature on Cisco Web Security Appliance (WSA) devices with software 8.0.7-142 and 8.5.1-021 allows remote attackers to cause a denial of service (CPU consumption) via FTP sessions in which the control connection is ended after data transfer, aka Bug ID CSCut94150.
References
psirt@cisco.comhttp://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20151130-wsaVendor Advisory
psirt@cisco.comhttp://www.securitytracker.com/id/1034276
af854a3a-2127-422b-91ae-364da2661108http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20151130-wsaVendor Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.securitytracker.com/id/1034276
Impacted products
Vendor Product Version
cisco web_security_appliance 8.0.7-142
cisco web_security_appliance 8.5.1-021
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "source": "psirt@cisco.com"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:cisco:web_security_appliance:8.0.7-142:*:*:*:*:*:*:*",
              "matchCriteriaId": "7514E1C3-42DC-4738-AF6C-3004FAC5BD6C",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:cisco:web_security_appliance:8.5.1-021:*:*:*:*:*:*:*",
              "matchCriteriaId": "8C75625C-3C19-4449-B992-279325170CD2",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "The passthrough FTP feature on Cisco Web Security Appliance (WSA) devices with software 8.0.7-142 and 8.5.1-021 allows remote attackers to cause a denial of service (CPU consumption) via FTP sessions in which the control connection is ended after data transfer, aka Bug ID CSCut94150."
    },
    {
      "lang": "es",
      "value": "La funcionalidad passthroug FTP en dispositivos Cisco Web Security Appliance (WSA) con software 8.0.7-142 y 8.5.1-021 permite a atacantes remotos provocar una denegaci\u00f3n de servicio (consumo de CPU) a trav\u00e9s de sesiones FTP en las que la conexi\u00f3n de control est\u00e1 finalizada despu\u00e9s de la trasnferencia de datos, tambi\u00e9n conocida como Bug ID CSCut94150."
    }
  ],
  "id": "CVE-2015-6386",
  "lastModified": "2026-06-17T00:30:48.437",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 5.0,
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
          "version": "2.0"
        },
        "exploitabilityScore": 10.0,
        "impactScore": 2.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ]
  },
  "published": "2015-12-01T11:59:03.143",
  "references": [
    {
      "source": "psirt@cisco.com",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20151130-wsa"
    },
    {
      "source": "psirt@cisco.com",
      "url": "http://www.securitytracker.com/id/1034276"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20151130-wsa"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://www.securitytracker.com/id/1034276"
    }
  ],
  "sourceIdentifier": "psirt@cisco.com",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-399"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}



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