{
  "id": "CVE-2004-2621",
  "sourceIdentifier": "cve@mitre.org",
  "published": "2004-12-31T05:00:00.000",
  "lastModified": "2024-11-20T23:53:49.400",
  "vulnStatus": "Modified",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Nortel Contivity VPN Client 2.1.7, 3.00, 3.01, 4.91, and 5.01, when opening a VPN tunnel, does not check the gateway certificate until after a dialog box has been displayed to the user, which creates a race condition that allows remote attackers to perform a man-in-the-middle (MITM) attack."
    }
  ],
  "metrics": {
    "cvssMetricV2": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "2.0",
          "vectorString": "AV:N/AC:H/Au:N/C:P/I:P/A:N",
          "baseScore": 4.0,
          "accessVector": "NETWORK",
          "accessComplexity": "HIGH",
          "authentication": "NONE",
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "PARTIAL",
          "availabilityImpact": "NONE"
        },
        "baseSeverity": "MEDIUM",
        "exploitabilityScore": 4.9,
        "impactScore": 4.9,
        "acInsufInfo": false,
        "obtainAllPrivilege": false,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ]
  },
  "weaknesses": [
    {
      "source": "nvd@nist.gov",
      "type": "Primary",
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-Other"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:h:nortel:contivity:2.1.7:*:*:*:*:*:*:*",
              "matchCriteriaId": "E1F8A65F-C993-4BC4-A189-F6585B42AA61"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:h:nortel:contivity:3.00:*:*:*:*:*:*:*",
              "matchCriteriaId": "A101AB6E-3D11-41F7-99B6-6E516D28F729"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:h:nortel:contivity:3.01:*:*:*:*:*:*:*",
              "matchCriteriaId": "D1ED7923-FB6C-4788-8831-D5529AC73E98"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:h:nortel:contivity:4.91:*:*:*:*:*:*:*",
              "matchCriteriaId": "F4AB1910-C2B3-4982-AE4D-20342924A010"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:h:nortel:contivity:5.01:*:*:*:*:*:*:*",
              "matchCriteriaId": "37D59E92-E606-4C59-9D34-B921A00F096A"
            }
          ]
        }
      ]
    }
  ],
  "references": [
    {
      "url": "http://secunia.com/advisories/12881",
      "source": "cve@mitre.org",
      "tags": [
        "Vendor Advisory"
      ]
    },
    {
      "url": "http://securitytracker.com/id?1011846",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.osvdb.org/11002",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.securityfocus.com/bid/11495",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www130.nortelnetworks.com/cgi-bin/eserv/cs/main.jsp?level=6&category=8&subcategory=6&subtype=&DocumentOID=276620&RenditionID=REND159588",
      "source": "cve@mitre.org"
    },
    {
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/17812",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://secunia.com/advisories/12881",
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Vendor Advisory"
      ]
    },
    {
      "url": "http://securitytracker.com/id?1011846",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.osvdb.org/11002",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.securityfocus.com/bid/11495",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www130.nortelnetworks.com/cgi-bin/eserv/cs/main.jsp?level=6&category=8&subcategory=6&subtype=&DocumentOID=276620&RenditionID=REND159588",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/17812",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ]
}