CVE-2023-24080 in myQ
Summary
by MITRE • 02/22/2023
A lack of rate limiting on the password reset endpoint of Chamberlain myQ v5.222.0.32277 (on iOS) allows attackers to compromise user accounts via a bruteforce attack.
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Analysis
by VulDB Data Team • 07/09/2026
The vulnerability identified as CVE-2023-24080 represents a critical security flaw in Chamberlain myQ mobile application version 5.222.0.32277 for iOS devices. This issue stems from insufficient rate limiting mechanisms implemented on the password reset endpoint, creating an exploitable condition that directly enables account compromise through automated brute force attacks. The affected application serves as the primary interface for controlling Chamberlain garage door openers and other smart home devices, making it a valuable target for malicious actors seeking unauthorized access to users' physical security systems.
The technical implementation flaw resides in the password reset functionality where the application fails to enforce adequate rate limiting controls on the reset endpoint. This absence of protective measures allows attackers to rapidly submit multiple password reset requests without restriction, effectively enabling brute force attacks against user accounts. The vulnerability operates at the application layer where authentication mechanisms are improperly configured to prevent automated attack vectors. According to CWE classification, this represents a weakness in the design of access control mechanisms and authentication processes, specifically categorized under CWE-307, which addresses insufficient logging of authentication events and inadequate rate limiting controls.
The operational impact of this vulnerability extends beyond simple account compromise to encompass serious physical security implications. When attackers successfully exploit this weakness, they gain unauthorized access to users' smart garage door systems, potentially enabling them to open and close doors remotely without authorization. This creates a significant risk for users who rely on these systems for home security, as malicious actors could exploit the vulnerability to gain physical access to homes, vehicles, and other assets protected by the smart home ecosystem. The attack surface is particularly concerning given the widespread adoption of smart garage door systems and the integration of these devices with broader home automation networks.
Security practitioners should implement multiple layers of mitigation to address this vulnerability effectively. The primary remediation involves implementing robust rate limiting controls on all authentication endpoints, including password reset functions, with configurable thresholds that prevent excessive request volumes within time windows. Additionally, implementing account lockout mechanisms after failed authentication attempts and monitoring for unusual access patterns can provide additional defense in depth. The solution should align with industry best practices such as those outlined in the NIST Special Publication 800-63B, which provides comprehensive guidance on authentication and access control. Organizations should also consider implementing multi-factor authentication requirements and monitoring for suspicious activity patterns that could indicate brute force attack attempts. The ATT&CK framework categorizes this vulnerability under T1110, which covers credential access techniques including brute force attacks, emphasizing the need for proper access control and rate limiting to prevent such exploitation scenarios.