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CVE-2016-6358

Status: ModifiedHigh (7.5)—

A vulnerability in local FTP to the Cisco Email Security Appliance (ESA) could allow an unauthenticated, remote attacker to cause a partial denial of service (DoS) condition when the FTP application unexpectedly quits. More Information: CSCux68539. Known Affected Releases: 9.1.0-032 9.7.1-000. Known Fixed Releases: 9.1.1-038.

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)

Cisco — Email Security Appliance

CWEs

References

Raw JSON (NVD)

Show
{
  "id": "CVE-2016-6358",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 5,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
          "authentication": "NONE",
          "integrityImpact": "NONE",
          "accessComplexity": "LOW",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "NONE"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 10,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV30": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.0",
          "baseScore": 7.5,
          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 3.9
      }
    ]
  },
  "affected": [
    {
      "source": "psirt@cisco.com",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "Cisco Email Security Appliance (ESA) through 9.7.1-000",
          "versions": [
            {
              "status": "affected",
              "version": "Cisco Email Security Appliance (ESA) through 9.7.1-000"
            }
          ]
        }
      ]
    }
  ],
  "published": "2016-10-28T10:59:09.197",
  "references": [
    {
      "url": "http://www.securityfocus.com/bid/93905",
      "source": "psirt@cisco.com"
    },
    {
      "url": "http://www.securitytracker.com/id/1037115",
      "source": "psirt@cisco.com"
    },
    {
      "url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20161026-esa6",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "psirt@cisco.com"
    },
    {
      "url": "http://www.securityfocus.com/bid/93905",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.securitytracker.com/id/1037115",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20161026-esa6",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-20"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "A vulnerability in local FTP to the Cisco Email Security Appliance (ESA) could allow an unauthenticated, remote attacker to cause a partial denial of service (DoS) condition when the FTP application unexpectedly quits. More Information: CSCux68539. Known Affected Releases: 9.1.0-032 9.7.1-000. Known Fixed Releases: 9.1.1-038."
    },
    {
      "lang": "es",
      "value": "Una vulnerabilidad en FTP local a Cisco Email Security Appliance (ESA) podría permitir a un atacante remoto no autenticado provocar una condición de denegación de servicio (DoS) parcial cuando la aplicación FTP se cierra inesperadamente. Más información: CSCux68539. Lanzamientos conocidos afectados: 9.1.0-032 9.7.1-000. Lanzamientos conocidos solucionados: 9.1.1-038."
    }
  ],
  "lastModified": "2026-06-17T00:50:53.347",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:cisco:email_security_appliance:9.7.1-066:*:*:*:*:*:*:*",
              "vulnerable": true,
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            },
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              "criteria": "cpe:2.3:a:cisco:email_security_appliance:9.7.2-046:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "D09E23D3-29BC-4B86-AB55-975B818CCB33"
            },
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              "criteria": "cpe:2.3:a:cisco:email_security_appliance:9.7.2-047:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "F4ED5BEF-5F3F-42D6-A953-B12FC9028EB2"
            },
            {
              "criteria": "cpe:2.3:a:cisco:email_security_appliance:9.7.2-054:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "AE59F47E-09CB-4C1A-AE70-ABAEDE74DA92"
            },
            {
              "criteria": "cpe:2.3:a:cisco:email_security_appliance:9.9.6-026:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "F508B007-27AD-483F-B220-B62C84892617"
            },
            {
              "criteria": "cpe:2.3:a:cisco:email_security_appliance:9.9_base:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "B95BBCED-65C8-4433-884B-0088B8B15E71"
            }
          ],
          "operator": "OR"
        }
      ]
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  ],
  "sourceIdentifier": "psirt@cisco.com"
}