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CVE-2024-20020

Status: ModifiedMedium (4.4)—

In OPTEE, there is a possible out of bounds write due to an incorrect bounds check. This could lead to local information disclosure with System execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS08522504; Issue ID: ALPS08522504.

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 (1)

Google — Android

CWEs

References

Raw JSON (NVD)

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{
  "id": "CVE-2024-20020",
  "cveTags": [],
  "metrics": {
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          "id": "CVE-2024-20020",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
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          ],
          "version": "2.0.3",
          "timestamp": "2025-03-28T19:09:15.959824Z"
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          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "HIGH",
          "confidentialityImpact": "HIGH"
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          "vendor": "MediaTek, Inc.",
          "product": "MT2713, MT2715, MT8173, MT8188, MT8195, MT8390, MT8395",
          "versions": [
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              "status": "affected",
              "version": "Android 13.0"
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  "published": "2024-03-04T03:15:07.107",
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      "url": "https://corp.mediatek.com/product-security-bulletin/March-2024",
      "tags": [
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      "url": "https://corp.mediatek.com/product-security-bulletin/March-2024",
      "tags": [
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
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  "vulnStatus": "Modified",
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      "source": "nvd@nist.gov",
      "description": [
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          "value": "CWE-787"
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    {
      "lang": "en",
      "value": "In OPTEE, there is a possible out of bounds write due to an incorrect bounds check. This could lead to local information disclosure with System execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS08522504; Issue ID: ALPS08522504."
    },
    {
      "lang": "es",
      "value": "En OPTEE, existe una posible escritura fuera de los límites debido a una verificación de los límites incorrecta. Esto podría conducir a la divulgación de información local con privilegios de ejecución de System necesarios. La interacción del usuario no es necesaria para la explotación. ID de parche: ALPS08522504; ID del problema: ALPS08522504."
    }
  ],
  "lastModified": "2026-06-17T07:05:40.743",
  "configurations": [
    {
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        {
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}