CVE-2006-4394

Status: ModifiedHigh (7.5)—
A logic error in LoginWindow in Apple Mac OS X 10.4 through 10.4.7, allows network accounts without GUIds to bypass service access controls and log into the system using loginwindow via unknown vectors.
CVSS

Version: 2.0
Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P
Base score: 7.5
Exploitation probability (EPSS)

Probability of exploitation in the next 30 days: 3.47%
Percentile among all scored CVEs: 89
Score date: 10/13/2026
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)

Apple — MAC OS X
CWEs

NVD-CWE-Other
References

Raw JSON (NVD)

Show
{
  "id": "CVE-2006-4394",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 7.5,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "LOW",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 6.4,
        "baseSeverity": "HIGH",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 10,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": true,
        "userInteractionRequired": false
      }
    ]
  },
  "affected": [
    {
      "source": "cve@mitre.org",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2006-10-03T04:02:00.000",
  "references": [
    {
      "url": "http://lists.apple.com/archives/security-announce/2006/Sep/msg00002.html",
      "tags": [
        "Patch"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "http://secunia.com/advisories/22187",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "http://securitytracker.com/id?1016959",
      "tags": [
        "Patch"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.kb.cert.org/vuls/id/897628",
      "tags": [
        "US Government Resource"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.osvdb.org/29272",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.securityfocus.com/bid/20271",
      "tags": [
        "Patch"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.us-cert.gov/cas/techalerts/TA06-275A.html",
      "tags": [
        "US Government Resource"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.vupen.com/english/advisories/2006/3852",
      "source": "cve@mitre.org"
    },
    {
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/29293",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://lists.apple.com/archives/security-announce/2006/Sep/msg00002.html",
      "tags": [
        "Patch"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://secunia.com/advisories/22187",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://securitytracker.com/id?1016959",
      "tags": [
        "Patch"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.kb.cert.org/vuls/id/897628",
      "tags": [
        "US Government Resource"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.osvdb.org/29272",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.securityfocus.com/bid/20271",
      "tags": [
        "Patch"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.us-cert.gov/cas/techalerts/TA06-275A.html",
      "tags": [
        "US Government Resource"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.vupen.com/english/advisories/2006/3852",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/29293",
      "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": "A logic error in LoginWindow in Apple Mac OS X 10.4 through 10.4.7, allows network accounts without GUIds to bypass service access controls and log into the system using loginwindow via unknown vectors."
    },
    {
      "lang": "es",
      "value": "Un error lógico en LoginWindow en Apple Mac OS X 10.4 hasta 10.4.7, permite a cuentas de red sin GUIDs (Identificadores Globales Únicos) evitar los controles de acceso a servicios y acceder al sistema usando loginwindow mediante vectores no especificados."
    }
  ],
  "lastModified": "2026-06-16T22:29:01.150",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:apple:mac_os_x:10.4:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "0760FDDB-38D3-4263-9B4D-1AF5E613A4F9"
            },
            {
              "criteria": "cpe:2.3:o:apple:mac_os_x:10.4.1:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "AFD4DE58-46C7-4E69-BF36-C5FD768B8248"
            },
            {
              "criteria": "cpe:2.3:o:apple:mac_os_x:10.4.2:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "CF824694-52DE-44E3-ACAD-60B2A84CD3CE"
            },
            {
              "criteria": "cpe:2.3:o:apple:mac_os_x:10.4.3:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "B73A0891-A37A-4E0D-AA73-B18BFD6B1447"
            },
            {
              "criteria": "cpe:2.3:o:apple:mac_os_x:10.4.4:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "26AC38AB-D689-4B2B-9DAE-F03F4DFD15BE"
            },
            {
              "criteria": "cpe:2.3:o:apple:mac_os_x:10.4.5:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "0C580935-0091-4163-B747-750FB7686973"
            },
            {
              "criteria": "cpe:2.3:o:apple:mac_os_x:10.4.6:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "BB0F2132-8431-4CEF-9A3D-A69425E3834E"
            },
            {
              "criteria": "cpe:2.3:o:apple:mac_os_x:10.4.7:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "8719F3C4-F1DE-49B5-9301-22414A2B6F9C"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "cve@mitre.org"
}