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CVE-2025-31719

Estado: AplazadaMedia (5.1)—

In TEE EcDSA algorithm, there is a possible memory consistency issue. This could lead to generated incorrect signature results with low probability.

CVSS

Probabilidad de explotación (EPSS)

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

Referencias

JSON original (NVD)

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{
  "id": "CVE-2025-31719",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2025-31719",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2025-11-14T19:25:16.207693Z"
        }
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "security@unisoc.com",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 5.1,
          "attackVector": "LOCAL",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L",
          "integrityImpact": "LOW",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "LOW",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 2.5,
        "exploitabilityScore": 2.5
      }
    ]
  },
  "affected": [
    {
      "source": "security@unisoc.com",
      "affectedData": [
        {
          "vendor": "Unisoc (Shanghai) Technologies Co., Ltd.",
          "product": "SC7731E/SC9832E/SC9863A/T310/T606/T612/T616/T610/T618/T750/T765/T760/T770/T820/S8000/T8300/T9300",
          "versions": [
            {
              "status": "affected",
              "version": "Android13/Android14/Android15/Android16"
            }
          ],
          "defaultStatus": "unaffected"
        }
      ]
    }
  ],
  "published": "2025-11-11T01:15:35.997",
  "references": [
    {
      "url": "https://www.unisoc.com/en/support/announcement/1987692028719517698",
      "source": "security@unisoc.com"
    }
  ],
  "vulnStatus": "Deferred",
  "descriptions": [
    {
      "lang": "en",
      "value": "In TEE EcDSA algorithm, there is a possible memory consistency issue. This could lead to generated incorrect signature results with low probability."
    }
  ],
  "lastModified": "2026-06-17T09:10:49.700",
  "sourceIdentifier": "security@unisoc.com"
}