CVE-2019-15126
An issue was discovered on Broadcom Wi-Fi client devices. Specifically timed and handcrafted traffic can cause internal errors (related to…
- Published
- Updated
- Reserved
- Assigned by
- mitre
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.
Timeline
ID reserved
By mitre
- 6 months later
· 6 months later
Published
- 5 years later
· 5 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.1 | Low3.1 | CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N |
- EPSS (exploitation in 30 days)
- 7.3% · top 5.6% of all CVEs (7 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: Low 3.1.
Weakness
Affected products
n/a
- affected n/a
References (13)
- https://support.apple.com/kb/HT210721 (opens in a new tab)x_refsource_CONFIRMx_transferred
- https://support.apple.com/kb/HT210722 (opens in a new tab)x_refsource_CONFIRMx_transferred
- https://support.apple.com/kb/HT210788 (opens in a new tab)x_refsource_CONFIRMx_transferred
- 20200227 Wi-Fi Protected Network and Wi-Fi Protected Network 2 Information Disclosure Vulnerability (opens in a new tab)vendor-advisoryx_refsource_CISCOx_transferred
- https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2020-0001 (opens in a new tab)x_refsource_CONFIRMx_transferred
- http://www.huawei.com/en/psirt/security-notices/huawei-sn-20200228-01-kr00k-en (opens in a new tab)x_refsource_CONFIRMx_transferred
- https://www.mist.com/documentation/mist-security-advisory-kr00k-attack-faq/ (opens in a new tab)x_refsource_CONFIRMx_transferred
- http://www.arubanetworks.com/assets/alert/ARUBA-PSA-2020-003.txt (opens in a new tab)x_refsource_CONFIRMx_transferred
- https://www.synology.com/security/advisory/Synology_SA_20_03 (opens in a new tab)x_refsource_CONFIRMx_transferred
- http://packetstormsecurity.com/files/156809/Broadcom-Wi-Fi-KR00K-Proof-Of-Concept.html (opens in a new tab)x_refsource_MISCx_transferred
- http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20200527-01-wifi-en (opens in a new tab)x_refsource_CONFIRMx_transferred
- https://cert-portal.siemens.com/productcert/pdf/ssa-712518.pdf (opens in a new tab)x_refsource_CONFIRMx_transferred
- https://us-cert.cisa.gov/ics/advisories/icsa-20-224-05 (opens in a new tab)x_refsource_MISCx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2019-15126)Record last updated .