FKIE_CVE-2006-4983

Vulnerability from fkie_nvd - Published: 2006-09-26 02:07 - Updated: 2026-06-16 22:30
Severity
Summary
Cisco NAC allows quarantined devices to communicate over the network with (1) DNS, (2) DHCP, and (3) EAPoUDP, which allows attackers to bypass control methods by tunneling network traffic through one of these protocols.
References
cve@mitre.orghttp://www.insightix.com/files/pdf/Bypassing_NAC_Solutions_Whitepaper.pdf
cve@mitre.orghttp://www.osvdb.org/30977
cve@mitre.orghttp://www.securityfocus.com/archive/1/446421/100/0/threaded
af854a3a-2127-422b-91ae-364da2661108http://www.insightix.com/files/pdf/Bypassing_NAC_Solutions_Whitepaper.pdf
af854a3a-2127-422b-91ae-364da2661108http://www.osvdb.org/30977
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/archive/1/446421/100/0/threaded
Impacted products
Vendor Product Version
cisco network_access_control *
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "source": "cve@mitre.org"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:cisco:network_access_control:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "EA567228-118D-4A98-BFCC-D86F12F39D69",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Cisco NAC allows quarantined devices to communicate over the network with (1) DNS, (2) DHCP, and (3) EAPoUDP, which allows attackers to bypass control methods by tunneling network traffic through one of these protocols."
    },
    {
      "lang": "es",
      "value": "Cisco NAC permite a dispositivos en cuarentena comunicarse a trav\u00e9s de la red con (1) DNS, (2) DHCP, y (3) EAPoUDP, lo cual permite a atacantes remotos evitar los m\u00e9todos de control pasando el tr\u00e1fico de la red a trav\u00e9s de uno de estos protocolos."
    }
  ],
  "id": "CVE-2006-4983",
  "lastModified": "2026-06-16T22:30:15.153",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "HIGH",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 7.5,
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "PARTIAL",
          "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
          "version": "2.0"
        },
        "exploitabilityScore": 10.0,
        "impactScore": 6.4,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": true,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ]
  },
  "published": "2006-09-26T02:07:00.000",
  "references": [
    {
      "source": "cve@mitre.org",
      "url": "http://www.insightix.com/files/pdf/Bypassing_NAC_Solutions_Whitepaper.pdf"
    },
    {
      "source": "cve@mitre.org",
      "url": "http://www.osvdb.org/30977"
    },
    {
      "source": "cve@mitre.org",
      "url": "http://www.securityfocus.com/archive/1/446421/100/0/threaded"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://www.insightix.com/files/pdf/Bypassing_NAC_Solutions_Whitepaper.pdf"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://www.osvdb.org/30977"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://www.securityfocus.com/archive/1/446421/100/0/threaded"
    }
  ],
  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-Other"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


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