An issue was discovered on Broadcom Wi-Fi client devices.
Key facts
- Attack vector
- Adjacent network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- High
- Impact type
- —
- Confidentiality · integrity · availability
- Low · None · None
- Fix status
- Will not fix Red Hat: no fix planned
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and Red Hat.
Summary
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.
Why it matters now
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 15
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:* | before 13.2 | Vulnerable | Apple |
| cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* | before 13.2 | Vulnerable | Apple |
| cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:* | before 10.15.1 | Vulnerable | Apple |
| cpe:2.3:o:broadcom:bcm4389_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Broadcom |
| cpe:2.3:h:broadcom:bcm4389:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Broadcom |
| cpe:2.3:o:broadcom:bcm43012_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Broadcom |
| cpe:2.3:h:broadcom:bcm43012:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Broadcom |
| cpe:2.3:o:broadcom:bcm43013_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Broadcom |
| cpe:2.3:h:broadcom:bcm43013:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Broadcom |
| cpe:2.3:o:broadcom:bcm4375_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Broadcom |
- cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:* Versions before 13.2 Vulnerable ·Apple
- cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* Versions before 13.2 Vulnerable ·Apple
- cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:* Versions before 10.15.1 Vulnerable ·Apple
- cpe:2.3:o:broadcom:bcm4389_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Broadcom
- cpe:2.3:h:broadcom:bcm4389:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Broadcom
- cpe:2.3:o:broadcom:bcm43012_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Broadcom
- cpe:2.3:h:broadcom:bcm43012:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Broadcom
- cpe:2.3:o:broadcom:bcm43013_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Broadcom
- cpe:2.3:h:broadcom:bcm43013:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Broadcom
- cpe:2.3:o:broadcom:bcm4375_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Broadcom
Show 5 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:h:broadcom:bcm4375:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Broadcom |
| cpe:2.3:o:broadcom:bcm43752_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Broadcom |
| cpe:2.3:h:broadcom:bcm43752:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Broadcom |
| cpe:2.3:o:broadcom:bcm4356_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Broadcom |
| cpe:2.3:h:broadcom:bcm4356:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Broadcom |
- cpe:2.3:h:broadcom:bcm4375:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Broadcom
- cpe:2.3:o:broadcom:bcm43752_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Broadcom
- cpe:2.3:h:broadcom:bcm43752:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Broadcom
- cpe:2.3:o:broadcom:bcm4356_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Broadcom
- cpe:2.3:h:broadcom:bcm4356:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Broadcom
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux 7 | Affected | No fix planned: Will not fix |
| Red Hat Enterprise Linux 8 | Affected | No fix planned: Will not fix |
Timeline
- 2026-10-02 Threatist record created from CVE-2019-15126
- 2026-10-03 Alias added: GHSA-p2g8-8j8x-3728
References
Advisory 3
Other 10
- https://support.apple.com/kb/HT210788
- https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2020-0001
- http://www.huawei.com/en/psirt/security-notices/huawei-sn-20200228-01-kr00k-en
- https://www.mist.com/documentation/mist-security-advisory-kr00k-attack-faq/
- http://www.arubanetworks.com/assets/alert/ARUBA-PSA-2020-003.txt
- 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.huawei.com/en/psirt/security-advisories/huawei-sa-20200527-01-wifi-en
- https://cert-portal.siemens.com/productcert/pdf/ssa-712518.pdf
- https://us-cert.cisa.gov/ics/advisories/icsa-20-224-05
Sources
- CVE-2019-15126 · CVE Program
- CVE-2019-15126 · NVD
- FIRST EPSS
- GHSA-p2g8-8j8x-3728 · GitHub Advisory Database · CC BY 4.0
- CVE-2019-15126 · Red Hat security data · CC BY 4.0
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