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CVE-2012-0656

Status: ModifiedMedium (6.9)—

Race condition in LoginUIFramework in Apple Mac OS X 10.7.x before 10.7.4, when the Guest account is enabled, allows physically proximate attackers to login to arbitrary accounts by entering the account name and no password.

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 (1)

Apple — MAC OS X

CWEs

References

Raw JSON (NVD)

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{
  "id": "CVE-2012-0656",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 6.9,
          "accessVector": "LOCAL",
          "vectorString": "AV:L/AC:M/Au:N/C:C/I:C/A:C",
          "authentication": "NONE",
          "integrityImpact": "COMPLETE",
          "accessComplexity": "MEDIUM",
          "availabilityImpact": "COMPLETE",
          "confidentialityImpact": "COMPLETE"
        },
        "acInsufInfo": false,
        "impactScore": 10,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 3.4,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ]
  },
  "affected": [
    {
      "source": "product-security@apple.com",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2012-05-11T03:49:58.980",
  "references": [
    {
      "url": "http://lists.apple.com/archives/security-announce/2012/May/msg00001.html",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "product-security@apple.com"
    },
    {
      "url": "http://support.apple.com/kb/HT5281",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "product-security@apple.com"
    },
    {
      "url": "http://www.securityfocus.com/bid/53445",
      "source": "product-security@apple.com"
    },
    {
      "url": "http://www.securityfocus.com/bid/53459",
      "source": "product-security@apple.com"
    },
    {
      "url": "http://lists.apple.com/archives/security-announce/2012/May/msg00001.html",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://support.apple.com/kb/HT5281",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.securityfocus.com/bid/53445",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.securityfocus.com/bid/53459",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-362"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Race condition in LoginUIFramework in Apple Mac OS X 10.7.x before 10.7.4, when the Guest account is enabled, allows physically proximate attackers to login to arbitrary accounts by entering the account name and no password."
    },
    {
      "lang": "es",
      "value": "Condición de carrera en LoginUIFramework de Apple Mac OS X 10.7.x anteriores a 10.7.4, si la cuenta \"Guest\" (Invitado) está habilitada, permite a atacantes con acceso físico iniciar sesión con credenciales arbitrarias introduciendo un nombre de usuario y ninguna contraseña."
    }
  ],
  "lastModified": "2026-06-16T23:38:01.200",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
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              "criteria": "cpe:2.3:o:apple:mac_os_x:10.7.0:*:*:*:*:*:*:*",
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            },
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              "vulnerable": true,
              "matchCriteriaId": "09A0FA11-6211-4962-A6E0-F00732818012"
            },
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              "criteria": "cpe:2.3:o:apple:mac_os_x:10.7.2:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "8A36C17C-EBB3-4C42-9C75-6A7F2EE1F22C"
            },
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          "operator": "OR"
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  ],
  "sourceIdentifier": "product-security@apple.com"
}