CVE-2021-1437 HIGH

CVE-2021-1437: Cisco Aironet Access Points FlexConnect Upgrade Information Disclosure Vulnerability

Vendor Cisco
Product Cisco Aironet Access Point Software
Weakness CWE-275
Published March 24, 2021
Last update November 8, 2024

CVSS base score

7.5/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality High
Integrity None

CVSS vector

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

What the vulnerability does

01Description

A vulnerability in the FlexConnect Upgrade feature of Cisco Aironet Series Access Points Software could allow an unauthenticated, remote attacker to obtain confidential information from an affected device. This vulnerability is due to an unrestricted Trivial File Transfer Protocol (TFTP) configuration. An attacker could exploit this vulnerability by sending a specific TFTP request to an affected device. A successful exploit could allow the attacker to download any file from the filesystem of the affected access point (AP).

Key dates

02Disclosure timeline

March 24, 2021 CVE published
November 8, 2024 Record updated