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CVE-2019-15126

3.1 · LOW

An issue was discovered on Broadcom Wi-Fi client devices.

Published Feb 5, 2020CWE-367EPSS 7.26%

Overview

CVE-2019-15126 is a low-severity vulnerability. It was published on February 5, 2020 and has a CVSS 3.1 base score of 3.1 (LOW).

This vulnerability has a CVSS 3.1 base score of 3.1, rated LOW. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

Technical 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.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refpacketstormsecurity.com/files/156809/Broadcom-Wi-Fi-KR00K-Proof-Of-Concept.htmlRefwww.arubanetworks.com/assets/alert/ARUBA-PSA-2020-003.txtRefwww.huawei.com/en/psirt/security-advisories/huawei-sa-20200527-01-wifi-enRefwww.huawei.com/en/psirt/security-notices/huawei-sn-20200228-01-kr00k-enRefcert-portal.siemens.com/productcert/pdf/ssa-712518.pdfRefpsirt.global.sonicwall.com/vuln-detail/SNWLID-2020-0001Refsupport.apple.com/kb/HT210721Refsupport.apple.com/kb/HT210722Refsupport.apple.com/kb/HT210788Reftools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20200226-wi-fi-info-disclosure

How CyberStrike helps

Frequently asked questions

What is CVE-2019-15126?

CVE-2019-15126 is a low-severity vulnerability. It was published on February 5, 2020 and has a CVSS 3.1 base score of 3.1 (LOW).

How severe is CVE-2019-15126?

This vulnerability has a CVSS 3.1 base score of 3.1, rated LOW. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2019-15126?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2019-15126?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2019-15126 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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