{
  "id": "CVE-2021-39793",
  "url": "https://spydr.io/cve/CVE-2021-39793",
  "published": "2022-03-16T15:15:12.430Z",
  "modified": "2026-06-17T04:04:10.107Z",
  "score": 7.8,
  "severity": "high",
  "cvss_version": "3.1",
  "vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
  "score_source": "NVD",
  "epss": 0.00685,
  "epss_percentile": 0.51025,
  "exploited": true,
  "kev": {
    "added": "2022-04-11",
    "due": "2022-05-02",
    "action": "Apply updates per vendor instructions.",
    "ransomware": "Unknown",
    "name": "Google Pixel Out-of-Bounds Write Vulnerability",
    "notes": "https://nvd.nist.gov/vuln/detail/CVE-2021-39793"
  },
  "ssvc_exploitation": "active",
  "vendors": [
    "google"
  ],
  "products": [
    "Android"
  ],
  "cwes": [
    "CWE-787"
  ],
  "description": "In kbase_jd_user_buf_pin_pages of mali_kbase_mem.c, there is a possible out of bounds write due to a logic error in the code. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-210470189References: N/A",
  "status": "Analyzed",
  "score_type": "Primary",
  "scores": {
    "cvss_v40": null,
    "cvss_v31": 7.8,
    "cvss_v30": null
  },
  "references": [
    {
      "url": "https://source.android.com/security/bulletin/pixel/2022-03-01",
      "tags": [
        "Vendor Advisory"
      ]
    },
    {
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-39793",
      "tags": [
        "Third Party Advisory",
        "US Government Resource"
      ]
    }
  ],
  "nvd_url": "https://nvd.nist.gov/vuln/detail/CVE-2021-39793",
  "covered_in": [],
  "attribution": [
    {
      "source": "NVD",
      "url": "https://nvd.nist.gov",
      "notice": "This product uses data from the NVD API but is not endorsed or certified by the NVD."
    },
    {
      "source": "CISA KEV",
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog",
      "notice": "Known exploited vulnerabilities from the CISA KEV catalog."
    },
    {
      "source": "FIRST EPSS",
      "url": "https://www.first.org/epss",
      "notice": "Exploit prediction scores from FIRST EPSS."
    }
  ]
}