high
7.4
CWE
400
Advisory Published
Updated

CVE-2019-15264: Cisco Aironet Access Points and Catalyst 9100 Access Points CAPWAP Denial of Service Vulnerability

First published: Wed Oct 16 2019(Updated: )

A vulnerability in the Control and Provisioning of Wireless Access Points (CAPWAP) protocol implementation of Cisco Aironet and Catalyst 9100 Access Points (APs) could allow an unauthenticated, adjacent attacker to cause an affected device to restart unexpectedly, resulting in a denial of service (DoS) condition. The vulnerability is due to improper resource management during CAPWAP message processing. An attacker could exploit this vulnerability by sending a high volume of legitimate wireless management frames within a short time to an affected device. A successful exploit could allow the attacker to cause a device to restart unexpectedly, resulting in a DoS condition for clients associated with the AP.

Credit: ykramarz@cisco.com

Affected SoftwareAffected VersionHow to fix
Cisco Aironet 1540 Firmware
Cisco Aironet 1540
Cisco Aironet 1560 Firmware
Cisco Aironet 1560
Cisco Aironet 1850 Firmware
Cisco Aironet 1850 Firmware=8.9\(1.249\)
Cisco Aironet 1850 Firmware=8.9\(1.255\)
Cisco Aironet 1850 Firmware=8.9\(4.28\)
Cisco Aironet 1850 Firmware=8.9\(4.41\)
Cisco Aironet 1850 Firmware=8.9\(4.49\)
Cisco Aironet 1850 Firmware=8.9\(4.55\)
Cisco Aironet 1850 Firmware=8.9\(4.58\)
Cisco Aironet 1850 Firmware=8.9\(104.24\)
Cisco Aironet 1850 Firmware=8.10\(1.139\)
Cisco Aironet 1850 Firmware=8.10\(1.146\)
Cisco Aironet 1800
Cisco Aironet 2800 Firmware
Cisco Aironet 2800
Cisco Aironet 3800 Firmware
Cisco Aironet 3800
Cisco Aironet 4800 Firmware
Cisco Aironet 4800
Cisco Catalyst 9100 Firmware
Cisco Catalyst 9100

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Reference Links

Frequently Asked Questions

  • What is the vulnerability ID for this issue?

    The vulnerability ID for this issue is CVE-2019-15264.

  • What is the severity of CVE-2019-15264?

    The severity of CVE-2019-15264 is high with a severity value of 6.5.

  • Which devices are affected by CVE-2019-15264?

    The Cisco Aironet and Catalyst 9100 Access Points (APs) are affected by CVE-2019-15264.

  • How can an attacker exploit CVE-2019-15264?

    An unauthenticated, adjacent attacker can exploit CVE-2019-15264 to cause an affected device to restart unexpectedly, resulting in a denial of service.

  • Where can I find more information about CVE-2019-15264?

    You can find more information about CVE-2019-15264 on the Cisco Security Advisory page: https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20191016-airo-capwap-dos.

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