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CVE-2023-3456

Status: ModifiedMedium (5.3)—

Vulnerability of kernel raw address leakage in the hang detector module. Successful exploitation of this vulnerability may affect service confidentiality.

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)

Huawei — EmuiHuawei — Harmonyos

CWEs

References

Raw JSON (NVD)

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{
  "id": "CVE-2023-3456",
  "cveTags": [],
  "metrics": {
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        "ssvcData": {
          "id": "CVE-2023-3456",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2024-11-21T14:12:05.563878Z"
        }
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 5.3,
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "LOW"
        },
        "impactScore": 1.4,
        "exploitabilityScore": 3.9
      }
    ]
  },
  "affected": [
    {
      "source": "psirt@huawei.com",
      "affectedData": [
        {
          "vendor": "Huawei",
          "product": "HarmonyOS",
          "versions": [
            {
              "status": "affected",
              "version": "3.0.0"
            },
            {
              "status": "affected",
              "version": "3.1.0"
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            {
              "status": "affected",
              "version": "2.1.0"
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            {
              "status": "affected",
              "version": "2.0.0"
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            {
              "status": "affected",
              "version": "2.0.1"
            }
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          "product": "EMUI",
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            {
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              "version": "13.0.0"
            },
            {
              "status": "affected",
              "version": "12.0.1"
            },
            {
              "status": "affected",
              "version": "12.0.0"
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          "defaultStatus": "unaffected"
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  ],
  "published": "2023-07-06T13:15:11.160",
  "references": [
    {
      "url": "https://consumer.huawei.com/en/support/bulletin/2023/7/",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "psirt@huawei.com"
    },
    {
      "url": "https://device.harmonyos.com/en/docs/security/update/security-bulletins-202307-0000001587168858",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "psirt@huawei.com"
    },
    {
      "url": "https://consumer.huawei.com/en/support/bulletin/2023/7/",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://device.harmonyos.com/en/docs/security/update/security-bulletins-202307-0000001587168858",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
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  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "psirt@huawei.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-20"
        }
      ]
    },
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-668"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Vulnerability of kernel raw address leakage in the  hang detector module. Successful exploitation of this vulnerability may affect service confidentiality."
    }
  ],
  "lastModified": "2026-06-17T06:14:06.660",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
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            },
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              "matchCriteriaId": "4D81C4EF-7CAF-4E60-91A4-8CF7B95B2B54"
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          "operator": "OR"
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  "sourceIdentifier": "psirt@huawei.com"
}