CVE-2021-33538 HIGH

CVE-2021-33538: WEIDMUELLER: WLAN devices affected by improper access control vulnerability

Vendor Weidmüller
Product IE-WL(T)-BL-AP-CL-XX
Weakness CWE-269
Published June 25, 2021
Last update September 16, 2024

CVSS base score

8.8/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality High
Integrity High

CVSS vector

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

What the vulnerability does

01Description

In Weidmueller Industrial WLAN devices in multiple versions an exploitable improper access control vulnerability exists in the iw_webs account settings functionality. A specially crafted user name entry can cause the overwrite of an existing user account password, resulting in remote shell access to the device as that user. An attacker can send commands while authenticated as a low privilege user to trigger this vulnerability.

Key dates

02Disclosure timeline

June 25, 2021 CVE published
September 16, 2024 Record updated