{
    "id": "CVE-2019-15126",
    "published": "2020-02-05 17:15:10",
    "last_modified": "2026-06-17 02:19:44",
    "cvss_score": "3.1",
    "cvss_severity": "LOW",
    "cvss_version": "3.1",
    "cvss_vector": "CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N",
    "cwe": "CWE-367",
    "description": "An issue was discovered on Broadcom Wi-Fi client devices. Specifically timed and handcrafted traffic can cause internal errors (related to state transitions) in a WLAN device that lead to improper layer 2 Wi-Fi encryption with a consequent possibility of information disclosure over the air for a discrete set of traffic, a different vulnerability than CVE-2019-9500, CVE-2019-9501, CVE-2019-9502, and CVE-2019-9503.",
    "epss_score": "0.07255",
    "epss_percentile": "0.94204",
    "kev": 0,
    "kev_due": null,
    "has_exploit": 1,
    "updated_at": "2026-10-10 18:17:20",
    "priority": {
        "rank": 2,
        "label": "Patch early",
        "why": "A public exploit exists."
    },
    "products": [
        {
            "vendor": "apple",
            "product": "ipados"
        },
        {
            "vendor": "apple",
            "product": "iphone_os"
        },
        {
            "vendor": "apple",
            "product": "mac_os_x"
        },
        {
            "vendor": "broadcom",
            "product": "bcm43012"
        },
        {
            "vendor": "broadcom",
            "product": "bcm43012_firmware"
        },
        {
            "vendor": "broadcom",
            "product": "bcm43013"
        },
        {
            "vendor": "broadcom",
            "product": "bcm43013_firmware"
        },
        {
            "vendor": "broadcom",
            "product": "bcm4356"
        },
        {
            "vendor": "broadcom",
            "product": "bcm4356_firmware"
        },
        {
            "vendor": "broadcom",
            "product": "bcm4375"
        },
        {
            "vendor": "broadcom",
            "product": "bcm4375_firmware"
        },
        {
            "vendor": "broadcom",
            "product": "bcm43752"
        },
        {
            "vendor": "broadcom",
            "product": "bcm43752_firmware"
        },
        {
            "vendor": "broadcom",
            "product": "bcm4389"
        },
        {
            "vendor": "broadcom",
            "product": "bcm4389_firmware"
        }
    ],
    "kev_detail": null,
    "exploits": [
        {
            "source": "exploit-db",
            "ref_id": "48233",
            "title": "Broadcom Wi-Fi Devices - 'KR00K Information Disclosure",
            "date": "2020-03-18",
            "url": "https://www.exploit-db.com/exploits/48233"
        }
    ],
    "refs_list": [
        "http://packetstormsecurity.com/files/156809/Broadcom-Wi-Fi-KR00K-Proof-Of-Concept.html",
        "http://www.arubanetworks.com/assets/alert/ARUBA-PSA-2020-003.txt",
        "http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20200527-01-wifi-en",
        "http://www.huawei.com/en/psirt/security-notices/huawei-sn-20200228-01-kr00k-en",
        "https://cert-portal.siemens.com/productcert/pdf/ssa-712518.pdf",
        "https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2020-0001",
        "https://support.apple.com/kb/HT210721",
        "https://support.apple.com/kb/HT210722",
        "https://support.apple.com/kb/HT210788",
        "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20200226-wi-fi-info-disclosure",
        "https://us-cert.cisa.gov/ics/advisories/icsa-20-224-05",
        "https://www.mist.com/documentation/mist-security-advisory-kr00k-attack-faq/",
        "https://www.synology.com/security/advisory/Synology_SA_20_03",
        "http://packetstormsecurity.com/files/156809/Broadcom-Wi-Fi-KR00K-Proof-Of-Concept.html",
        "http://www.arubanetworks.com/assets/alert/ARUBA-PSA-2020-003.txt",
        "http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20200527-01-wifi-en",
        "http://www.huawei.com/en/psirt/security-notices/huawei-sn-20200228-01-kr00k-en",
        "https://cert-portal.siemens.com/productcert/pdf/ssa-712518.pdf",
        "https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2020-0001",
        "https://support.apple.com/kb/HT210721",
        "https://support.apple.com/kb/HT210722",
        "https://support.apple.com/kb/HT210788",
        "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20200226-wi-fi-info-disclosure",
        "https://us-cert.cisa.gov/ics/advisories/icsa-20-224-05",
        "https://www.mist.com/documentation/mist-security-advisory-kr00k-attack-faq/"
    ]
}