Date：2022/04/21

【Security Vulnerability Warning】Mutiple Cisco's wireless network controller software exist a security vulnerability (CVE-2022-20695), please confirm and update as soon as possible!

Subject: Mutiple Cisco's wireless network controller software exist a security vulnerability (CVE-2022-20695), which allows attackers to bypass authentication and gain control of the device. Please confirm and update as soon as possible!

Description:
For details, please refer to the following links.

https://www.ithome.com.tw/news/150464

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-wlc-auth-bypass-JRNhV4fF

https://www.cisco.com/c/en/us/support/docs/wireless-mobility/wlan-security/91901-mac-filters-wlcs-config.html

Network System Division
Computer and Communication Center