{
  "id": "CVE-2021-31010",
  "url": "https://spydr.io/cve/CVE-2021-31010",
  "published": "2021-08-24T19:15:24.967Z",
  "modified": "2026-06-17T03:51:18.307Z",
  "score": 7.5,
  "severity": "high",
  "cvss_version": "3.1",
  "vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N",
  "score_source": "NVD",
  "epss": 0.03673,
  "epss_percentile": 0.89356,
  "exploited": true,
  "kev": {
    "added": "2022-08-25",
    "due": "2022-09-15",
    "action": "Apply updates per vendor instructions.",
    "ransomware": "Unknown",
    "name": "Apple iOS, macOS, watchOS Sandbox Bypass Vulnerability",
    "notes": "https://support.apple.com/en-us/HT212804, https://support.apple.com/en-us/HT212805, https://support.apple.com/en-us/HT212806, https://support.apple.com/en-us/HT212807, https://support.apple.com/en-us/HT212824; https://nvd.nist.gov/vuln/detail/CVE-2021-31010"
  },
  "ssvc_exploitation": "active",
  "vendors": [
    "Apple"
  ],
  "products": [
    "Apple macOS",
    "Apple watchOS"
  ],
  "cwes": [
    "CWE-502"
  ],
  "description": "A deserialization issue was addressed through improved validation. This issue is fixed in Security Update 2021-005 Catalina, iOS 12.5.5, iOS 14.8 and iPadOS 14.8, macOS Big Sur 11.6, watchOS 7.6.2. A sandboxed process may be able to circumvent sandbox restrictions. Apple was aware of a report that this issue may have been actively exploited at the time of release..",
  "status": "Analyzed",
  "score_type": "Primary",
  "scores": {
    "cvss_v40": null,
    "cvss_v31": 7.5,
    "cvss_v30": null
  },
  "references": [
    {
      "url": "https://support.apple.com/en-us/HT212804",
      "tags": [
        "Vendor Advisory"
      ]
    },
    {
      "url": "https://support.apple.com/en-us/HT212805",
      "tags": [
        "Vendor Advisory"
      ]
    },
    {
      "url": "https://support.apple.com/en-us/HT212806",
      "tags": [
        "Vendor Advisory"
      ]
    },
    {
      "url": "https://support.apple.com/en-us/HT212807",
      "tags": [
        "Vendor Advisory"
      ]
    },
    {
      "url": "https://support.apple.com/en-us/HT212824",
      "tags": [
        "Vendor Advisory"
      ]
    },
    {
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-31010",
      "tags": [
        "US Government Resource"
      ]
    }
  ],
  "nvd_url": "https://nvd.nist.gov/vuln/detail/CVE-2021-31010",
  "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."
    }
  ]
}