{
  "id": "CVE-2021-30860",
  "url": "https://spydr.io/cve/CVE-2021-30860",
  "published": "2021-08-24T19:15:14.370Z",
  "modified": "2026-06-17T03:51:01.843Z",
  "score": 7.8,
  "severity": "high",
  "cvss_version": "3.1",
  "vector": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
  "score_source": "NVD",
  "epss": 0.75994,
  "epss_percentile": 0.99519,
  "exploited": true,
  "kev": {
    "added": "2021-11-03",
    "due": "2021-11-17",
    "action": "Apply updates per vendor instructions.",
    "ransomware": "Unknown",
    "name": "Apple Multiple Products Integer Overflow Vulnerability",
    "notes": "https://nvd.nist.gov/vuln/detail/CVE-2021-30860"
  },
  "ssvc_exploitation": "active",
  "vendors": [
    "Apple"
  ],
  "products": [
    "Apple macOS",
    "Apple watchOS",
    "Apple iOS"
  ],
  "cwes": [
    "CWE-190"
  ],
  "description": "An integer overflow was addressed with improved input validation. This issue is fixed in Security Update 2021-005 Catalina, iOS 14.8 and iPadOS 14.8, macOS Big Sur 11.6, watchOS 7.6.2. Processing a maliciously crafted PDF may lead to arbitrary code execution. Apple is aware of a report that this issue may have been actively exploited.",
  "status": "Analyzed",
  "score_type": "Primary",
  "scores": {
    "cvss_v40": null,
    "cvss_v31": 7.8,
    "cvss_v30": null
  },
  "references": [
    {
      "url": "http://seclists.org/fulldisclosure/2021/Sep/25",
      "tags": [
        "Mailing List",
        "Third Party Advisory"
      ]
    },
    {
      "url": "http://seclists.org/fulldisclosure/2021/Sep/26",
      "tags": [
        "Mailing List",
        "Third Party Advisory"
      ]
    },
    {
      "url": "http://seclists.org/fulldisclosure/2021/Sep/27",
      "tags": [
        "Mailing List",
        "Third Party Advisory"
      ]
    },
    {
      "url": "http://seclists.org/fulldisclosure/2021/Sep/28",
      "tags": [
        "Mailing List",
        "Third Party Advisory"
      ]
    },
    {
      "url": "http://seclists.org/fulldisclosure/2021/Sep/38",
      "tags": [
        "Mailing List",
        "Third Party Advisory"
      ]
    },
    {
      "url": "http://seclists.org/fulldisclosure/2021/Sep/39",
      "tags": [
        "Mailing List",
        "Third Party Advisory"
      ]
    },
    {
      "url": "http://seclists.org/fulldisclosure/2021/Sep/40",
      "tags": [
        "Mailing List",
        "Third Party Advisory"
      ]
    },
    {
      "url": "http://seclists.org/fulldisclosure/2021/Sep/50",
      "tags": [
        "Mailing List",
        "Third Party Advisory"
      ]
    },
    {
      "url": "http://www.openwall.com/lists/oss-security/2022/09/02/11",
      "tags": [
        "Mailing List"
      ]
    },
    {
      "url": "https://security.gentoo.org/glsa/202209-21",
      "tags": [
        "Third Party Advisory"
      ]
    },
    {
      "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/kb/HT212824",
      "tags": [
        "Vendor Advisory"
      ]
    },
    {
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-30860",
      "tags": [
        "US Government Resource"
      ]
    }
  ],
  "nvd_url": "https://nvd.nist.gov/vuln/detail/CVE-2021-30860",
  "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."
    }
  ]
}