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fortinetFortiGuard LabsFG-IR-20-035
HistoryDec 01, 2020 - 12:00 a.m.

Kr00k vulnerability (CVE-2019-15126) in Broadcom and Cypress Wi-Fi chips

2020-12-0100:00:00
FortiGuard Labs
www.fortiguard.com
188

3.1 Low

CVSS3

Attack Vector

ADJACENT_NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

NONE

Availability Impact

NONE

CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N

2.9 Low

CVSS2

Access Vector

ADJACENT_NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

AV:A/AC:M/Au:N/C:P/I:N/A:N

0.005 Low

EPSS

Percentile

71.7%

During the RSA conference of February 26th 2020, researchers Štefan Svorencík and Robert Lipovsky disclosed a vulnerability in the implementation of the wireless egress packet processing of certain Broadcom Wi-Fi chipsets. This vulnerability is referenced as CVE-2019-15126 and could allow an unauthenticated, adjacent attacker to decrypt Wi-Fi frames without the knowledge of the wireless security key. Fortinet Product Security Incident Response Team (PSIRT) is not aware of any public announcements or malicious use of this vulnerability. Only products listed in the Affected Products section of this advisory are potentially impacted by this vulnerability.

3.1 Low

CVSS3

Attack Vector

ADJACENT_NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

NONE

Availability Impact

NONE

CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N

2.9 Low

CVSS2

Access Vector

ADJACENT_NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

AV:A/AC:M/Au:N/C:P/I:N/A:N

0.005 Low

EPSS

Percentile

71.7%