FKIE_CVE-2015-6321

Vulnerability from fkie_nvd - Published: 2015-11-06 03:59 - Updated: 2026-06-17 00:30
Severity
Summary
Cisco AsyncOS before 8.5.7-042, 9.x before 9.1.0-032, 9.1.x before 9.1.1-023, and 9.5.x and 9.6.x before 9.6.0-042 on Email Security Appliance (ESA) devices; before 9.1.0-032, 9.1.1 before 9.1.1-005, and 9.5.x before 9.5.0-025 on Content Security Management Appliance (SMA) devices; and before 7.7.0-725 and 8.x before 8.0.8-113 on Web Security Appliance (WSA) devices allows remote attackers to cause a denial of service (memory consumption) via a flood of TCP packets, aka Bug IDs CSCus79774, CSCus79777, and CSCzv95795.
References
psirt@cisco.comhttp://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20151104-aosVendor Advisory
psirt@cisco.comhttp://www.securitytracker.com/id/1034060
psirt@cisco.comhttp://www.securitytracker.com/id/1034061
af854a3a-2127-422b-91ae-364da2661108http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20151104-aosVendor Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.securitytracker.com/id/1034060
af854a3a-2127-422b-91ae-364da2661108http://www.securitytracker.com/id/1034061
Impacted products
Vendor Product Version
cisco web_security_appliance 5.6.0-623
cisco web_security_appliance 6.0.0-000
cisco web_security_appliance 7.5.0-000
cisco web_security_appliance 7.5.0-825
cisco web_security_appliance 7.5.1-000
cisco web_security_appliance 7.5.2-000
cisco web_security_appliance 7.7.0-000
cisco web_security_appliance 7.7.1-000
cisco web_security_appliance 8.0.0-000
cisco web_security_appliance 8.5.0.000
cisco content_security_management_appliance 7.8.0-328
cisco content_security_management_appliance 7.8.1-001
cisco content_security_management_appliance 7.9.0-201
cisco content_security_management_appliance 7.9.2-116
cisco content_security_management_appliance 8.0.1-031
cisco content_security_management_appliance 8.1.0-001
cisco content_security_management_appliance 8.1.1-033
cisco content_security_management_appliance 8.1.2-000
cisco content_security_management_appliance 8.2.0-238
cisco content_security_management_appliance 8.3.0-350
cisco content_security_management_appliance 8.3.5-061
cisco content_security_management_appliance 8.3.6-014
cisco content_security_management_appliance 8.3.7-010
cisco content_security_management_appliance 8.4.0-150
cisco content_security_management_appliance 9.0.0-073
cisco content_security_management_appliance 9.1.0-004
cisco email_security_appliance 7.6.1-000
cisco email_security_appliance 7.6.3-000
cisco email_security_appliance 7.7.0-000
cisco email_security_appliance 7.7.1-000
cisco email_security_appliance 7.8.0-311
cisco email_security_appliance 8.5.6-052
cisco email_security_appliance 8.6.0-011
cisco email_security_appliance 8.9.1-000
cisco email_security_appliance 8.9.2-032
cisco email_security_appliance 9.0.0-212
cisco email_security_appliance 9.0.5-000
cisco email_security_appliance 9.1.0-011
cisco email_security_appliance 9.4.4-000
cisco email_security_appliance 9.5.0-000
To clipboard 

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  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Cisco AsyncOS before 8.5.7-042, 9.x before 9.1.0-032, 9.1.x before 9.1.1-023, and 9.5.x and 9.6.x before 9.6.0-042 on Email Security Appliance (ESA) devices; before 9.1.0-032, 9.1.1 before 9.1.1-005, and 9.5.x before 9.5.0-025 on Content Security Management Appliance (SMA) devices; and before 7.7.0-725 and 8.x before 8.0.8-113 on Web Security Appliance (WSA) devices allows remote attackers to cause a denial of service (memory consumption) via a flood of TCP packets, aka Bug IDs CSCus79774, CSCus79777, and CSCzv95795."
    },
    {
      "lang": "es",
      "value": "Cisco AsyncOS en versiones anteriores a 8.5.7-042, 9.x en versiones anteriores a 9.1.0-032, 9.1.x en versiones anteriores a 9.1.1-023 y 9.5.x y 9.6.x en versiones anteriores a 9.6.0-042 en dispositivos Email Security Appliance (ESA); en versiones anteriores a 9.1.0-032, 9.1.1 en versiones anteriores a 9.1.1-005 y 9.5.x en versiones anteriores a 9.5.0-025 en dispositivos Content Security Management Appliance (SMA); y en versiones anteriores a 7.7.0-725 y 8.x en versiones anteriores a 8.0.8-113 en dispositivos Web Security Appliance (WSA) permite atacantes remotos causar una denegaci\u00f3n de servicio (consumo de memoria) a trav\u00e9s de una inundaci\u00f3n de paquetes TCP, tambi\u00e9n conocidos como Bug IDs CSCus79774, CSCus79777 y CSCzv95795."
    }
  ],
  "id": "CVE-2015-6321",
  "lastModified": "2026-06-17T00:30:42.067",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "HIGH",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "COMPLETE",
          "baseScore": 7.8,
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:C",
          "version": "2.0"
        },
        "exploitabilityScore": 10.0,
        "impactScore": 6.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ]
  },
  "published": "2015-11-06T03:59:03.433",
  "references": [
    {
      "source": "psirt@cisco.com",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20151104-aos"
    },
    {
      "source": "psirt@cisco.com",
      "url": "http://www.securitytracker.com/id/1034060"
    },
    {
      "source": "psirt@cisco.com",
      "url": "http://www.securitytracker.com/id/1034061"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20151104-aos"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://www.securitytracker.com/id/1034060"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://www.securitytracker.com/id/1034061"
    }
  ],
  "sourceIdentifier": "psirt@cisco.com",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-399"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}



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