« Volver al listado

CVE-2025-20806

Estado: AnalizadaMedia (6.7)—

In dpe, there is a possible memory corruption due to use after free. This could lead to local escalation of privilege if a malicious actor has already obtained the System privilege. User interaction is not needed for exploitation. Patch ID: ALPS10114835; Issue ID: MSV-4479.

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).

Tecnologías afectadas (1)

Google — Android

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2025-20806",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2025-20806",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2026-01-07T04:55:39.688591Z"
        }
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 6.7,
          "attackVector": "LOCAL",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "HIGH",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.9,
        "exploitabilityScore": 0.8
      }
    ]
  },
  "affected": [
    {
      "source": "security@mediatek.com",
      "affectedData": [
        {
          "vendor": "MediaTek, Inc.",
          "product": "MediaTek chipset",
          "versions": [
            {
              "status": "affected",
              "version": "MT6899"
            },
            {
              "status": "affected",
              "version": "MT6991"
            },
            {
              "status": "affected",
              "version": "MT8793"
            }
          ],
          "defaultStatus": "unaffected"
        }
      ]
    }
  ],
  "published": "2026-01-06T02:15:44.847",
  "references": [
    {
      "url": "https://corp.mediatek.com/product-security-bulletin/January-2026",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "security@mediatek.com"
    }
  ],
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "security@mediatek.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-416"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "In dpe, there is a possible memory corruption due to use after free. This could lead to local escalation of privilege if a malicious actor has already obtained the System privilege. User interaction is not needed for exploitation. Patch ID: ALPS10114835; Issue ID: MSV-4479."
    },
    {
      "lang": "es",
      "value": "En dpe, existe una posible corrupción de memoria debido a un uso después de liberación. Esto podría conducir a una escalada local de privilegios si un actor malicioso ya ha obtenido el privilegio de Sistema. No se necesita interacción del usuario para la explotación. ID de parche: ALPS10114835; ID de problema: MSV-4479."
    }
  ],
  "lastModified": "2026-09-30T23:10:00.237",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:google:android:16.0:-:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "02882AB1-7993-47DD-84A0-8DF4272D85ED"
            }
          ],
          "operator": "OR"
        },
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:h:mediatek:mt6899:-:*:*:*:*:*:*:*",
              "vulnerable": false,
              "matchCriteriaId": "C6E9F80F-9AC9-41E0-BB14-9DB6F14B62CD"
            },
            {
              "criteria": "cpe:2.3:h:mediatek:mt6991:-:*:*:*:*:*:*:*",
              "vulnerable": false,
              "matchCriteriaId": "CBBB30DF-E963-4940-B742-F6801F68C3FC"
            },
            {
              "criteria": "cpe:2.3:h:mediatek:mt8793:-:*:*:*:*:*:*:*",
              "vulnerable": false,
              "matchCriteriaId": "2FBD3487-F8CE-406C-8BD7-DD57FF8CD60B"
            }
          ],
          "operator": "OR"
        }
      ],
      "operator": "AND"
    }
  ],
  "sourceIdentifier": "security@mediatek.com"
}