Cisco Security Advisory - Cisco Wireless LAN Controller AireOS Software FIPS Mode Denial of Service Vulnerability

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Cisco Wireless LAN Controller AireOS Software FIPS Mode Denial of Service Vulnerability

A vulnerability in the authentication functionality of Cisco Wireless LAN Controller (WLC) AireOS Software could allow an unauthenticated, adjacent attacker to cause a denial of service (DoS) condition on an affected device.

This vulnerability is due to insufficient error validation. An attacker could exploit this vulnerability by sending crafted packets to an affected device. A successful exploit could allow the attacker to cause the wireless LAN controller to crash, resulting in a DoS condition. 

Note: This vulnerability affects only devices that have Federal Information Processing Standards (FIPS) mode enabled.

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://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-wlc-dos-mKGRrsCB

     
         
Security Impact Rating:  High
   
   
       
CVE: CVE-2022-20769
Source: Cisco Wireless LAN Controller AireOS Software FIPS Mode Denial of Service Vulnerability