CVE-2019-1920

Cisco IOS Access Points Software 802.11r Fast Transition Denial of Service Vulnerability

State: Published
Severity: 7.4 High
Published: Jul 17, 2019
Updated: Nov 21, 2024
Reserved: Dec 6, 2018

Description

A vulnerability in the 802.11r Fast Transition (FT) implementation for Cisco IOS Access Points (APs) Software could allow an unauthenticated, adjacent attacker to cause a denial of service (DoS) condition on an affected interface. The vulnerability is due to a lack of complete error handling condition for client authentication requests sent to a targeted interface configured for FT. An attacker could exploit this vulnerability by sending crafted authentication request traffic to the targeted interface, causing the device to restart unexpectedly.

Scores

CVSS	Score	Vector	Source
3.0	7.4 High	CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H	cisco

Weaknesses

CWE-20

Affected Products

Product	Versions
Cisco Aironet Access Point SoftwareCisco	before 8.8.100.0Affected

References

20190717 Cisco IOS Access Points Software 802.11r Fast Transition Denial of Service Vulnerabilityvendor-advisory
109312vdb-entry

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