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CVE-2004-0843

Status: ModifiedMedium (5)—

Internet Explorer 5.5 and 6 does not properly handle plug-in navigation, which allows remote attackers to alter displayed address bars and thereby spoof web pages, facilitating phishing attacks, aka the "Plug-in Navigation Address Bar Spoofing Vulnerability."

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 (2)

Microsoft — IEMicrosoft — Internet Explorer

CWEs

References

Raw JSON (NVD)

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{
  "id": "CVE-2004-0843",
  "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:P/A:N",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "LOW",
          "availabilityImpact": "NONE",
          "confidentialityImpact": "NONE"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 10,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ]
  },
  "affected": [
    {
      "source": "cve@mitre.org",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2004-11-03T05:00:00.000",
  "references": [
    {
      "url": "http://www.kb.cert.org/vuls/id/625616",
      "tags": [
        "Patch",
        "Third Party Advisory",
        "US Government Resource"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.us-cert.gov/cas/techalerts/TA04-293A.html",
      "tags": [
        "Patch",
        "Third Party Advisory",
        "US Government Resource"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "https://docs.microsoft.com/en-us/security-updates/securitybulletins/2004/ms04-038",
      "source": "cve@mitre.org"
    },
    {
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/17651",
      "source": "cve@mitre.org"
    },
    {
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/17655",
      "source": "cve@mitre.org"
    },
    {
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      "source": "cve@mitre.org"
    },
    {
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      "source": "cve@mitre.org"
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    {
      "url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A3949",
      "source": "cve@mitre.org"
    },
    {
      "url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6313",
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      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.kb.cert.org/vuls/id/625616",
      "tags": [
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        "Third Party Advisory",
        "US Government Resource"
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    },
    {
      "url": "http://www.us-cert.gov/cas/techalerts/TA04-293A.html",
      "tags": [
        "Patch",
        "Third Party Advisory",
        "US Government Resource"
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://docs.microsoft.com/en-us/security-updates/securitybulletins/2004/ms04-038",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/17651",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/17655",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A3949",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6313",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A7095",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A7194",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-Other"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Internet Explorer 5.5 and 6 does not properly handle plug-in navigation, which allows remote attackers to alter displayed address bars and thereby spoof web pages, facilitating phishing attacks, aka the \"Plug-in Navigation Address Bar Spoofing Vulnerability.\""
    },
    {
      "lang": "es",
      "value": "Internet Explorer 5.5 y 6 no manejan adecuadamente la navegación con complementos (plug-in), lo que permite a atacantes remotos alterar la barra de navegación mostrada y suplantar páginas web, facilitando ataques de \"phising\", también conocida como \"Vulnerabilidad de suplantación de la barra de direcciónes en navegación en complemento\"."
    }
  ],
  "lastModified": "2026-06-16T22:06:30.340",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:microsoft:ie:6:windows_server_2003_sp1:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "B80088A3-2AA4-44A2-98DF-359E15F8E18B"
            },
            {
              "criteria": "cpe:2.3:a:microsoft:internet_explorer:5.5:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "40F8042F-C621-45AE-9F8C-70469579643A"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "cve@mitre.org"
}