{"id":"CVE-2019-15126","url":"https://www.cyber-defence.io/tools/cve/CVE-2019-15126","generatedAt":"2026-10-28T21:31:42.785Z","title":"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…","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.","published":"2020-02-05T17:15:10.000Z","lastModified":"2026-06-17T02:19:45.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","cvss":{"version":"3.1","score":3.1,"severity":"LOW","vector":"CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N"},"cwe":["CWE-367"],"affected":["apple/ipados","apple/iphone os","apple/mac os x","broadcom/bcm4389 firmware","broadcom/bcm43012 firmware","broadcom/bcm43013 firmware","broadcom/bcm4375 firmware","broadcom/bcm43752 firmware","broadcom/bcm4356 firmware"],"epss":{"score":0.07255,"percentile":0.9431,"date":"2026-10-27","history":[]},"kev":{"listed":false},"exploits":{"count":1,"verified":false,"firstPublished":"2020-03-18","source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[{"edbId":48233,"kind":"exploit","title":"Broadcom Wi-Fi Devices - 'KR00K Information Disclosure","url":"https://www.exploit-db.com/exploits/48233","sourceUrl":"https://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/multiple/remote/48233.py","file":"exploits/multiple/remote/48233.py","published":"2020-03-18","added":"2020-03-19","updated":"2020-03-19","author":"Maurizio S","type":"remote","platform":"multiple","port":null,"verified":false,"codes":["CVE-2019-15126"],"tags":null,"aliases":"KR00K","applicationUrl":null,"screenshotUrl":null,"referenceUrl":"https://github.com/akabe1/kr00ker/blob/5ce817049db45ce6bc53d98e2bf1117bcd88e400/Kr00ker.py"}]},"verdict":{"level":"high","text":"A public exploit is published in Exploit-DB, so the technical barrier is gone even though the severity is low and EPSS is 7.3%. Treat it as high on anything reachable from the internet."},"changes":[],"references":[{"url":"http://packetstormsecurity.com/files/156809/Broadcom-Wi-Fi-KR00K-Proof-Of-Concept.html","source":"cve@mitre.org"},{"url":"http://www.arubanetworks.com/assets/alert/ARUBA-PSA-2020-003.txt","source":"cve@mitre.org"},{"url":"http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20200527-01-wifi-en","source":"cve@mitre.org"},{"url":"http://www.huawei.com/en/psirt/security-notices/huawei-sn-20200228-01-kr00k-en","source":"cve@mitre.org"},{"url":"https://cert-portal.siemens.com/productcert/pdf/ssa-712518.pdf","source":"cve@mitre.org"},{"url":"https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2020-0001","source":"cve@mitre.org"},{"url":"https://support.apple.com/kb/HT210721","tags":["Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://support.apple.com/kb/HT210722","tags":["Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://support.apple.com/kb/HT210788","source":"cve@mitre.org"},{"url":"https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20200226-wi-fi-info-disclosure","source":"cve@mitre.org"},{"url":"https://us-cert.cisa.gov/ics/advisories/icsa-20-224-05","source":"cve@mitre.org"},{"url":"https://www.mist.com/documentation/mist-security-advisory-kr00k-attack-faq/","source":"cve@mitre.org"},{"url":"https://www.synology.com/security/advisory/Synology_SA_20_03","source":"cve@mitre.org"},{"url":"http://packetstormsecurity.com/files/156809/Broadcom-Wi-Fi-KR00K-Proof-Of-Concept.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.arubanetworks.com/assets/alert/ARUBA-PSA-2020-003.txt","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20200527-01-wifi-en","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.huawei.com/en/psirt/security-notices/huawei-sn-20200228-01-kr00k-en","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://cert-portal.siemens.com/productcert/pdf/ssa-712518.pdf","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2020-0001","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://support.apple.com/kb/HT210721","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://support.apple.com/kb/HT210722","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://support.apple.com/kb/HT210788","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20200226-wi-fi-info-disclosure","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://us-cert.cisa.gov/ics/advisories/icsa-20-224-05","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.mist.com/documentation/mist-security-advisory-kr00k-attack-faq/","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.synology.com/security/advisory/Synology_SA_20_03","source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2019-15126","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}