CVE-2022-20769 HIGH

CVE-2022-20769: Cisco Wireless LAN Controller AireOS Software FIPS Mode Denial of Service Vulnerability

Vendor Cisco
Product Cisco Wireless LAN Controller (WLC)
Weakness CWE-787
Published September 30, 2022
Last update November 6, 2024

CVSS base score

7.4/10
Attack vector Adjacent
Attack complexity Low
Privileges required None
User interaction None
Confidentiality None
Integrity None

CVSS vector

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

September 30, 2022 CVE published
November 6, 2024 Record updated