CVE-2023-20251 - CVE House
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Status published Medium CVE-2023-20251

A vulnerability in the memory buffer of Cisco Wireless LAN...

Vulnerability 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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

Affected Vendor

Affected Software

Cisco Wireless LAN Controller (WLC), Cisco Mobility Express
Vulnerable Versions:
8.10.162.0, 8.10.151.0, 8.10.171.0, 8.10.170.0, 8.10.181.0, 8.10.182.0, 8.10.183.0, 8.10.185.0

Timeline

Official Publish: September 27th, 2023
Last Modified: August 2nd, 2024
Added to House: July 22nd, 2026

CVSS Vectors

V3: CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H

Weaknesses (CWE)