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CVE-2023-39392

Status: ModifiedHigh (7.5)—

Vulnerability of insecure signatures in the OsuLogin module. Successful exploitation of this vulnerability may cause OsuLogin to be maliciously modified and overwritten.

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-2023-39392",
  "cveTags": [],
  "metrics": {
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        "ssvcData": {
          "id": "CVE-2023-39392",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2024-10-10T14:30:49.934527Z"
        }
      }
    ],
    "cvssMetricV31": [
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        "source": "nvd@nist.gov",
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          "scope": "UNCHANGED",
          "version": "3.1",
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          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 3.9
      }
    ]
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  "affected": [
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      "affectedData": [
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  "published": "2023-08-13T12:15:46.083",
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      "tags": [
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    },
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      "url": "https://device.harmonyos.com/en/docs/security/update/security-bulletins-202308-0000001667644725",
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    },
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      "tags": [
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
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  ],
  "vulnStatus": "Modified",
  "weaknesses": [
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      "type": "Secondary",
      "source": "psirt@huawei.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-16"
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      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-347"
        }
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  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Vulnerability of insecure signatures in the OsuLogin module. Successful exploitation of this vulnerability may cause OsuLogin to be maliciously modified and overwritten."
    }
  ],
  "lastModified": "2026-06-17T06:12:12.673",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
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          "operator": "OR"
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  "sourceIdentifier": "psirt@huawei.com"
}