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CVE-2021-25467

Status: ModifiedMedium (6.7)—

Assuming system privilege is gained, possible buffer overflow vulnerabilities in the Vision DSP kernel driver prior to SMR Oct-2021 Release 1 allows privilege escalation to Root by hijacking loaded library.

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-2021-25467",
  "cveTags": [],
  "metrics": {
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      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 7.2,
          "accessVector": "LOCAL",
          "vectorString": "AV:L/AC:L/Au:N/C:C/I:C/A:C",
          "authentication": "NONE",
          "integrityImpact": "COMPLETE",
          "accessComplexity": "LOW",
          "availabilityImpact": "COMPLETE",
          "confidentialityImpact": "COMPLETE"
        },
        "acInsufInfo": false,
        "impactScore": 10,
        "baseSeverity": "HIGH",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 3.9,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
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          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:N/A:N",
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          "product": "Samsung Mobile Devices",
          "versions": [
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              "versionType": "custom"
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  "published": "2021-10-06T18:15:08.557",
  "references": [
    {
      "url": "https://security.samsungmobile.com/securityUpdate.smsb?year=2021&month=10",
      "tags": [
        "Vendor Advisory"
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      "source": "mobile.security@samsung.com"
    },
    {
      "url": "https://security.samsungmobile.com/securityUpdate.smsb?year=2021&month=10",
      "tags": [
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
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  "vulnStatus": "Modified",
  "weaknesses": [
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      "description": [
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          "lang": "en",
          "value": "CWE-120"
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      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
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  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Assuming system privilege is gained, possible buffer overflow vulnerabilities in the Vision DSP kernel driver prior to SMR Oct-2021 Release 1 allows privilege escalation to Root by hijacking loaded library."
    },
    {
      "lang": "es",
      "value": "Suponiendo que se obtenga el privilegio del sistema, una posible vulnerabilidad de desbordamiento de búfer en el controlador del kernel de Vision DSP versiones anteriores a SMR Oct-2021 Release 1, permite una escalada de privilegios a Root mediante el secuestro de la biblioteca cargada"
    }
  ],
  "lastModified": "2026-06-17T03:42:08.323",
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    {
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