CVE-2020-3552 HIGH

CVE-2020-3552: Cisco Aironet Access Points Ethernet Wired Clients Denial of Service Vulnerability

Vendor Cisco
Product Cisco Aironet Access Point Software
Weakness CWE-476
Published September 24, 2020
Last update November 13, 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:3.0/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 Ethernet packet handling of Cisco Aironet Access Points (APs) Software could allow an unauthenticated, adjacent attacker to cause a denial of service (DoS) condition on an affected device. The vulnerability is due to insufficient input validation. An attacker could exploit this vulnerability by connecting as a wired client to the Ethernet interface of an affected device and sending a series of specific packets within a short time frame. A successful exploit could allow the attacker to cause a NULL pointer access that results in a reload of the affected device.

Key dates

02Disclosure timeline

September 24, 2020 CVE published
November 13, 2024 Record updated