CVE-2023-33372 : Vulnerability Insights and Analysis
Learn about CVE-2023-33372 affecting Connected IO v2.1.0 and earlier due to hard-coded credentials. Understand the impact, technical details, and mitigation steps.
This article provides an overview of CVE-2023-33372, a security vulnerability found in Connected IO v2.1.0 and prior versions. The vulnerability stems from the use of hard-coded credentials in firmware, enabling attackers to impersonate devices and bypass authentication.
Understanding CVE-2023-33372
In this section, we will delve deeper into the nature of the CVE-2023-33372 vulnerability.
What is CVE-2023-33372?
CVE-2023-33372 affects Connected IO devices running v2.1.0 and earlier due to hard-coded username/password pairs in firmware. Attackers can exploit these credentials to send messages, impersonate devices, and sign arbitrary session tokens.
The Impact of CVE-2023-33372
The vulnerability allows unauthorized access to device communication, posing a significant risk of impersonation and authentication bypass.
Technical Details of CVE-2023-33372
This section explores the technical aspects of CVE-2023-33372.
Vulnerability Description
Connected IO devices utilize hard-coded credentials for MQTT communication, enabling attackers to sign JWT session tokens and bypass authentication mechanisms.
Affected Systems and Versions
All versions of Connected IO devices up to v2.1.0 are vulnerable to CVE-2023-33372.
Exploitation Mechanism
By obtaining the embedded credentials, attackers can connect to the MQTT broker, send messages on behalf of devices, and manipulate session tokens.
Mitigation and Prevention
To mitigate the risks associated with CVE-2023-33372, follow the recommended security practices outlined below.
Immediate Steps to Take
- Update device firmware to the latest version without hard-coded credentials.
- Implement strong, unique credentials for device communication.
Long-Term Security Practices
- Regularly audit and update device security configurations.
- Educate users on secure credential management practices.
Patching and Updates
Stay informed about security updates from Connected IO and apply patches promptly to address known vulnerabilities.