CVE-2018-0441

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

Description

A vulnerability in the 802.11r Fast Transition feature set of Cisco IOS Access Points (APs) Software could allow an unauthenticated, adjacent attacker to cause a denial of service (DoS) condition on an affected device. The vulnerability is due to a corruption of certain timer mechanisms triggered by specific roaming events. This corruption will eventually cause a timer crash. An attacker could exploit this vulnerability by sending malicious reassociation events multiple times to the same AP in a short period of time, causing a DoS condition on the affected AP.

Category

7.4
CVSS
Severity: High
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.43%
Vendor Advisory cisco.com
Affected: Cisco Cisco Aironet Access Point Software
Published at:
Updated at:

References

Link Tags
http://www.securityfocus.com/bid/105680 third party advisory vdb entry
http://www.securitytracker.com/id/1041918 third party advisory vdb entry
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20181017-ap-ft-dos vendor advisory

Frequently Asked Questions

What is the severity of CVE-2018-0441?
CVE-2018-0441 has been scored as a high severity vulnerability.
How to fix CVE-2018-0441?
To fix CVE-2018-0441, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2018-0441 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2018-0441 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2018-0441?
CVE-2018-0441 affects Cisco Cisco Aironet Access Point Software.
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