cisco-sa-aironet-info-disc-BfWqghj: Cisco Aironet Access Points FlexConnect Upgrade Information Disclosure Vulnerability
First published: Wed Mar 24 2021(Updated: )
A vulnerability in the FlexConnect Upgrade feature of Cisco Aironet Series Access Points Software could allow an unauthenticated, remote attacker to obtain confidential information from an affected device. This vulnerability is due to an unrestricted Trivial File Transfer Protocol (TFTP) configuration. An attacker could exploit this vulnerability by sending a specific TFTP request to an affected device. A successful exploit could allow the attacker to download any file from the filesystem of the affected access point (AP). 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-info-disc-BfWqghj
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Cisco Wireless LAN Controller Software | =8.10.112.0 and later<8.10.142.0 | 8.10.142.0 |
| Cisco Catalyst 9800 Wireless Controller Software |
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Reference Links
Frequently Asked Questions
What is the vulnerability ID of this Cisco Aironet Access Points vulnerability?
The vulnerability ID is cisco-sa-aironet-info-disc-BfWqghj.
What is the severity rating of cisco-sa-aironet-info-disc-BfWqghj?
The severity rating of cisco-sa-aironet-info-disc-BfWqghj is 7.5, which is considered high.
How can an attacker exploit cisco-sa-aironet-info-disc-BfWqghj?
An attacker can exploit cisco-sa-aironet-info-disc-BfWqghj by using an unrestricted TFTP configuration in the FlexConnect Upgrade feature of Cisco Aironet Series Access Points Software to obtain confidential information from an affected device.
Which software versions are affected by cisco-sa-aironet-info-disc-BfWqghj?
The affected software versions are Cisco Wireless LAN Controller Software 8.10.112.0 and later (up to exclusive 8.10.142.0) and Cisco Catalyst 9800 Wireless Controller Software.
Is there a remedy available for cisco-sa-aironet-info-disc-BfWqghj?
Yes, there is a remedy available for cisco-sa-aironet-info-disc-BfWqghj. For Cisco Wireless LAN Controller Software, apply version 8.10.142.0 or later. No specific remedy information is provided for Cisco Catalyst 9800 Wireless Controller Software.
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- canonical/cisco catalyst 9800 wireless controller software