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CVE-2022-20769

Severity CVSS v4.0:
Pending analysis
Type:
CWE-787 Out-of-bounds Write
Publication date:
30/09/2022
Last modified:
07/11/2023

Description

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.

Impact

Vector 3.x
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS v3.1 Severity and Metrics:

Base Score: 6.50 MEDIUM
Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector (AV): Adjacent
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): None
Integrity (I): None
Availability (A): High

Base Score 3.x
6.50
Severity 3.x
MEDIUM

Vulnerable products and versions

CPE From Up to
cpe:2.3:o:cisco:wireless_lan_controller_software:*:*:*:*:*:*:*:* 8.10.171.0 (excluding)
cpe:2.3:a:cisco:virtual_wireless_controller:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:2504_wireless_lan_controller:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:3504_wireless_lan_controller:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:5508_wireless_lan_controller:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:5520_wireless_lan_controller:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:8540_wireless_lan_controller:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:flex_7510:-:*:*:*:*:*:*:*

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools