cisco-sa-aironet-dos-h3DCuLXw: Cisco Aironet Access Point Authentication Flood Denial of Service Vulnerability
First published: Thu Sep 24 2020(Updated: )
A vulnerability in Cisco Aironet Access Point (AP) Software could allow an unauthenticated, remote attacker to cause an affected device to reload. The vulnerability is due to improper handling of clients that are trying to connect to the AP. An attacker could exploit this vulnerability by sending authentication requests from multiple clients to an affected device. A successful exploit could allow the attacker to cause the affected device to reload. Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability. This advisory is available at the following link:https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-aironet-dos-h3DCuLXw
Credit: This vulnerability was found during the resolution a Cisco TAC support case
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Cisco Wireless LAN Controllers | =8.10<8.10.112.0=8.9<8.10.112.0=8.8<8.8.130.0=8.7<8.8.130.0=8.6<8.8.130.0=8.5 and earlier<8.5.160.0 | 8.10.112.0 8.10.112.0 8.8.130.0 8.8.130.0 8.8.130.0 8.5.160.0 |
| Cisco Catalyst 9800 Series Wireless Controllers | =16.12 and earlier<16.12.4a | 16.12.4a |
| Cisco Business AP Software | =10.0<10.1.1.0 | 10.1.1.0 |
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Reference Links
Frequently Asked Questions
What is the severity of cisco-sa-aironet-dos-h3DCuLXw?
The cisco-sa-aironet-dos-h3DCuLXw vulnerability has a high severity rating.
How can I mitigate cisco-sa-aironet-dos-h3DCuLXw?
Mitigation for cisco-sa-aironet-dos-h3DCuLXw involves updating to the recommended software versions provided by Cisco.
What causes the cisco-sa-aironet-dos-h3DCuLXw vulnerability?
The cisco-sa-aironet-dos-h3DCuLXw vulnerability is caused by improper handling of client connections to Cisco Aironet Access Points.
Which Cisco products are affected by cisco-sa-aironet-dos-h3DCuLXw?
Affected products include Cisco Wireless LAN Controllers, Catalyst 9800 Series Wireless Controllers, and Business Access Point Software.
Can cisco-sa-aironet-dos-h3DCuLXw be exploited remotely?
Yes, cisco-sa-aironet-dos-h3DCuLXw can be exploited by an unauthenticated, remote attacker.
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- agent/software-canonical-lookup-request
- vendor/cisco
- canonical/cisco wireless lan controllers
- version/cisco wireless lan controllers/8.10
- version/cisco wireless lan controllers/8.9
- version/cisco wireless lan controllers/8.8
- version/cisco wireless lan controllers/8.7
- version/cisco wireless lan controllers/8.6
- version/cisco wireless lan controllers/8.5 and earlier
- canonical/cisco catalyst 9800 series wireless controllers
- version/cisco catalyst 9800 series wireless controllers/16.12 and earlier
- canonical/cisco business ap software
- version/cisco business ap software/10.0