CVE-2023-33372

CVSS 3.1 Score 9.8 of 10 (high)

Details

Published Aug 4, 2023
Updated: Aug 8, 2023
CWE ID 798

Summary

CVE-2023-33372 is a critical cyber vulnerability that affects Connected IO devices running version 2.1.0 and earlier. These devices have a hard-coded username/password pair embedded in their firmware for MQTT communication. An attacker who gains access to these credentials can connect to the MQTT broker and send messages on behalf of devices, allowing them to impersonate them and bypass authentication using JWT session tokens. The vulnerability poses a high risk to organizations as it can lead to unauthorized access and potential data breaches. To remediate the vulnerability, organizations should update their Connected IO devices to a version that addresses this issue.

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