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CVE-2016-4670

Status: ModifiedLow (3.3)—

An issue was discovered in certain Apple products. iOS before 10.1 is affected. macOS before 10.12.1 is affected. The issue involves the "Security" component. It allows local users to discover lengths of arbitrary passwords by reading a log.

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)

Apple — Iphone OSApple — MAC OS X

CWEs

References

Raw JSON (NVD)

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{
  "id": "CVE-2016-4670",
  "cveTags": [],
  "metrics": {
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          "baseScore": 2.1,
          "accessVector": "LOCAL",
          "vectorString": "AV:L/AC:L/Au:N/C:P/I:N/A:N",
          "authentication": "NONE",
          "integrityImpact": "NONE",
          "accessComplexity": "LOW",
          "availabilityImpact": "NONE",
          "confidentialityImpact": "PARTIAL"
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        "acInsufInfo": false,
        "impactScore": 2.9,
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        "obtainAllPrivilege": false,
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  "affected": [
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  "published": "2017-02-20T08:59:00.540",
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  "vulnStatus": "Modified",
  "weaknesses": [
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      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-255"
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      "lang": "en",
      "value": "An issue was discovered in certain Apple products. iOS before 10.1 is affected. macOS before 10.12.1 is affected. The issue involves the \"Security\" component. It allows local users to discover lengths of arbitrary passwords by reading a log."
    },
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      "lang": "es",
      "value": "Se ha descubierto un problema en ciertos productos Apple. iOS en versiones anteriores a 10.1 está afectado. macOS en versiones anteriores a 10.12.1 está afectado. El problema involucra al componente \"Security\". Esto permite a usuarios locales descubrir la longitud de contraseñas arbitrarias leyendo un inicio de sesión."
    }
  ],
  "lastModified": "2026-06-17T00:48:00.030",
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}