{
  "id": "CVE-2024-27834",
  "url": "https://spydr.io/cve/CVE-2024-27834",
  "published": "2024-05-14T15:13:06.953Z",
  "modified": "2026-11-05T12:56:20.313Z",
  "score": 5.5,
  "severity": "medium",
  "cvss_version": "3.1",
  "vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N",
  "score_source": "NVD",
  "epss": 0.01414,
  "epss_percentile": 0.72829,
  "exploited": true,
  "kev": {
    "added": "2026-11-04",
    "due": "2026-11-18",
    "action": "Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.",
    "ransomware": "Unknown",
    "name": "Apple Multiple Products Improper Authentication Vulnerability",
    "notes": "https://support.apple.com/en-us/120896 ; https://support.apple.com/en-us/120898 ; https://support.apple.com/en-us/120901 ; https://support.apple.com/en-us/120902 ; https://support.apple.com/en-us/120903 ; https://support.apple.com/en-us/120905 ; BOD 26-04: https://www.cisa.gov/news-events/directives/bod-26-04-prioritizing-security-updates-based-risk ; Forensics Triage Requirements: https://www.cisa.gov/news-events/directives/bod-26-04-implementation-guidance-prioritizing-security-updates-based-risk ; https://nvd.nist.gov/vuln/detail/CVE-2024-27834"
  },
  "ssvc_exploitation": "active",
  "vendors": [
    "Apple"
  ],
  "products": [
    "Apple Safari",
    "Apple iOS and iPadOS",
    "Apple macOS",
    "Apple tvOS",
    "Apple watchOS"
  ],
  "cwes": [
    "CWE-287"
  ],
  "description": "The issue was addressed with improved checks. This issue is fixed in Safari 17.5, iOS 16.7.8 and iPadOS 16.7.8, iOS 17.5 and iPadOS 17.5, macOS Sonoma 14.5, tvOS 17.5, watchOS 10.5. An attacker with arbitrary read and write capability may be able to bypass Pointer Authentication.",
  "status": "Analyzed",
  "score_type": "Primary",
  "scores": {
    "cvss_v40": null,
    "cvss_v31": 5.5,
    "cvss_v30": null
  },
  "references": [
    {
      "url": "https://support.apple.com/en-us/120896",
      "tags": [
        "Vendor Advisory",
        "Release Notes"
      ]
    },
    {
      "url": "https://support.apple.com/en-us/120898",
      "tags": [
        "Vendor Advisory",
        "Release Notes"
      ]
    },
    {
      "url": "https://support.apple.com/en-us/120901",
      "tags": [
        "Vendor Advisory",
        "Release Notes"
      ]
    },
    {
      "url": "https://support.apple.com/en-us/120902",
      "tags": [
        "Vendor Advisory",
        "Release Notes"
      ]
    },
    {
      "url": "https://support.apple.com/en-us/120903",
      "tags": [
        "Vendor Advisory",
        "Release Notes"
      ]
    },
    {
      "url": "https://support.apple.com/en-us/120905",
      "tags": [
        "Vendor Advisory",
        "Release Notes"
      ]
    },
    {
      "url": "http://seclists.org/fulldisclosure/2024/May/10",
      "tags": [
        "Mailing List",
        "Third Party Advisory"
      ]
    },
    {
      "url": "http://seclists.org/fulldisclosure/2024/May/12",
      "tags": [
        "Mailing List",
        "Third Party Advisory"
      ]
    },
    {
      "url": "http://seclists.org/fulldisclosure/2024/May/16",
      "tags": [
        "Mailing List",
        "Third Party Advisory"
      ]
    },
    {
      "url": "http://seclists.org/fulldisclosure/2024/May/17",
      "tags": [
        "Mailing List",
        "Third Party Advisory"
      ]
    },
    {
      "url": "http://seclists.org/fulldisclosure/2024/May/9",
      "tags": [
        "Mailing List",
        "Third Party Advisory"
      ]
    },
    {
      "url": "http://www.openwall.com/lists/oss-security/2024/05/21/1",
      "tags": [
        "Mailing List",
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ADCLQW54XN37VJZNYD3UKCYATJFIMYXG/",
      "tags": [
        "Mailing List",
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/WKIXADCW3O4R2OOSDZGPU55XQFE6NA3M/",
      "tags": [
        "Mailing List",
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://support.apple.com/en-us/HT214101",
      "tags": [
        "Vendor Advisory",
        "Release Notes"
      ]
    },
    {
      "url": "https://support.apple.com/en-us/HT214102",
      "tags": [
        "Vendor Advisory",
        "Release Notes"
      ]
    },
    {
      "url": "https://support.apple.com/en-us/HT214103",
      "tags": [
        "Vendor Advisory",
        "Release Notes"
      ]
    },
    {
      "url": "https://support.apple.com/en-us/HT214104",
      "tags": [
        "Vendor Advisory",
        "Release Notes"
      ]
    },
    {
      "url": "https://support.apple.com/en-us/HT214106",
      "tags": [
        "Vendor Advisory",
        "Release Notes"
      ]
    },
    {
      "url": "https://support.apple.com/kb/HT214100",
      "tags": [
        "Vendor Advisory",
        "Release Notes"
      ]
    },
    {
      "url": "https://support.apple.com/kb/HT214102",
      "tags": [
        "Vendor Advisory",
        "Release Notes"
      ]
    },
    {
      "url": "https://support.apple.com/kb/HT214104",
      "tags": [
        "Vendor Advisory",
        "Release Notes"
      ]
    },
    {
      "url": "https://support.apple.com/kb/HT214106",
      "tags": [
        "Vendor Advisory",
        "Release Notes"
      ]
    },
    {
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2024-27834",
      "tags": [
        "US Government Resource"
      ]
    },
    {
      "url": "https://www.sekoia.com/blog/poisoned-source-apt29-watering-holes-targets-mobile-devices-with-n-day-exploits",
      "tags": [
        "Third Party Advisory"
      ]
    }
  ],
  "nvd_url": "https://nvd.nist.gov/vuln/detail/CVE-2024-27834",
  "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."
    }
  ]
}
