{"cve":"CVE-2019-15126","nvd":{"published":"2020-02-05T17:15:10.443","modified":"2026-06-17T02:19:44.970","status":"Modified","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.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N","score":3.1},"cwes":["CWE-367"],"references":["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"],"products":["apple:ipados","apple:iphone_os","apple:mac_os_x","broadcom:bcm43012_firmware","broadcom:bcm43013_firmware","broadcom:bcm4356_firmware","broadcom:bcm43752_firmware","broadcom:bcm4375_firmware","broadcom:bcm4389_firmware"],"source":"nvd","synced_at":"2026-10-19T21:02:53.949909883+00:00"},"epss":{"cve":"CVE-2019-15126","score":0.07255,"percentile":0.94343,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}