CVE-2020-35758 : Security Advisory and Response
Discover the impact of CVE-2020-35758, an Authentication Bypass vulnerability in Libre Wireless LS9 LS1.5/p7040 devices, allowing unauthorized access to privileged functionalities. Learn mitigation steps and the importance of security updates.
An issue was discovered on Libre Wireless LS9 LS1.5/p7040 devices where an Authentication Bypass in the Web Interface allows unauthenticated access to privileged functionality.
Understanding CVE-2020-35758
What is CVE-2020-35758?
The vulnerability in Libre Wireless LS9 LS1.5/p7040 devices enables unauthorized users to access APIs that should be restricted.
The Impact of CVE-2020-35758
The vulnerability allows attackers to bypass authentication and gain access to privileged functionalities without proper authorization.
Technical Details of CVE-2020-35758
Vulnerability Description
- Authentication Bypass in the Web Interface of Libre Wireless LS9 LS1.5/p7040 devices
- Lack of proper access restrictions to internal functionality
Affected Systems and Versions
- Product: Libre Wireless LS9 LS1.5/p7040
- Vendor: Libre Wireless
- Version: Not applicable
Exploitation Mechanism
- Despite presenting a password login page, authentication is not required for accessing privileged functions
- Unauthenticated users can directly access APIs meant for authenticated users
Mitigation and Prevention
Immediate Steps to Take
- Implement strong authentication mechanisms to prevent unauthorized access
- Regularly monitor and audit access to privileged functionalities
Long-Term Security Practices
- Conduct regular security assessments and penetration testing to identify vulnerabilities
- Educate users on secure authentication practices and the importance of access control
Patching and Updates
- Apply security patches provided by Libre Wireless to address the authentication bypass vulnerability