CVE-2023-20251

MEDIUM

Cisco Wireless LAN Controller - Memory Corruption

Title source: llm

Description

A vulnerability in the memory buffer of Cisco Wireless LAN Controller (WLC) AireOS Software could allow an unauthenticated, adjacent attacker to cause memory leaks that could eventually lead to a device reboot. This vulnerability is due to memory leaks caused by multiple clients connecting under specific conditions. An attacker could exploit this vulnerability by causing multiple wireless clients to attempt to connect to an access point (AP) on an affected device. A successful exploit could allow the attacker to cause the affected device to reboot after a significant amount of time, resulting in a denial of service (DoS) condition.

Scores

CVSS v3 6.1
EPSS 0.0010
EPSS Percentile 27.0%
Attack Vector ADJACENT_NETWORK
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H

Classification

CWE
CWE-119 CWE-401
Status published

Affected Products (1)

cisco/mobility_express_software

Timeline

Published Sep 27, 2023
Tracked Since Feb 18, 2026